Prosecution Insights
Last updated: July 17, 2026
Application No. 18/115,069

CHARGER AND BATTERY FOR CORDLESS APPLIANCE

Final Rejection §103
Filed
Feb 28, 2023
Priority
Mar 01, 2022 — provisional 63/315,355 +1 more
Examiner
OMAR, AHMED H
Art Unit
2859
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
WHIRLPOOL Corporation
OA Round
2 (Final)
75%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
90%
With Interview

Examiner Intelligence

Grants 75% — above average
75%
Career Allowance Rate
816 granted / 1085 resolved
+7.2% vs TC avg
Moderate +14% lift
Without
With
+14.4%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
33 currently pending
Career history
1119
Total Applications
across all art units

Statute-Specific Performance

§101
0.7%
-39.3% vs TC avg
§103
88.9%
+48.9% vs TC avg
§102
6.0%
-34.0% vs TC avg
§112
0.6%
-39.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1085 resolved cases

Office Action

§103
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claims Status Claims 1-20 are currently pending and claims 1, 10 and 16 are currently amended. Response to Arguments Applicant’s arguments, see remarks, filed 05/04/2026, with respect to the rejection(s) of amended claim(s) 1, 10 and 16 under 35 U.S.C. 103 have been fully considered and are persuasive. Therefore, the rejection has been withdrawn. However, upon further consideration, a new ground(s) of rejection is made in view of newly found prior art reference SAKAKIBARA (US 2011/0012560 A1). Please see new grounds of rejection below. Claim Rejections - 35 USC § 103 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows: 1. Determining the scope and contents of the prior art. 2. Ascertaining the differences between the prior art and the claims at issue. 3. Resolving the level of ordinary skill in the pertinent art. 4. Considering objective evidence present in the application indicating obviousness or nonobviousness. This application currently names joint inventors. In considering patentability of the claims the examiner presumes that the subject matter of the various claims was commonly owned as of the effective filing date of the claimed invention(s) absent any evidence to the contrary. Applicant is advised of the obligation under 37 CFR 1.56 to point out the inventor and effective filing dates of each claim that was not commonly owned as of the effective filing date of the later invention in order for the examiner to consider the applicability of 35 U.S.C. 102(b)(2)(C) for any potential 35 U.S.C. 102(a)(2) prior art against the later invention. Claim(s) 1-5, 8-18 and 20 is/are rejected under 35 U.S.C. 103 as being unpatentable over LEE et al. (US 2018/0277804 A1, hereinafter LEE) in view of FUNABIKI et al. (US 2020/0180044 A1, hereinafter FUNABIKI) and in further view of SAKAKIBARA (US 2011/0012560 A1). Regarding claims 1 and 16, LEE discloses LEE discloses a rechargeable battery assembly for a kitchen appliance, comprising: a charging base (See Figs.2-3, Item#40, disclose a charging base), comprising: a plug (See Figs.2-3, and Par.35, disclose a connector 44 for connecting to a battery interface [Fig.1, Item#24]); and a body defining a battery interface surface (See Fig.2, discloses a charger comprising a surface surrounding plug 44, the battery [Fig.1, Item#20] slides onto the plug 44 which is present on a surface interpreted as the battery interface surface); a battery (See Figs.2-3, Item#20), comprising: a receptacle configured to mate with the plug to selectively engage the battery with the charging base (See Figs.2-3, Item#24 and Par.35, disclose the battery connector 24 is mounted to the charger connector 44); a plurality of battery terminals (See Fig.1, Item#24 and Par.31, disclose a battery physical interface comprising battery terminals to couple the battery 20 to a charger of similar configuration via charger physical interface [Fig.1, Item#44]). LEE further discloses the charger comprising a receptacle according to a standardized connection specification for connecting the charger to the battery using a wire, the battery also comprising a receptacle according to the standardized connection specification (See Figs.2-3, Item#46 disclose a USB port and a USB cable 60, the combination of the USB port and the USB cable comprising the USB plug [output end of the wire 60 comprising an output plug which connects to the battery 20. Pars.10-13, disclose the USB interface type is a USB type-C). However, LEE does not explicitly disclose the charging base comprising: a body having a pair of notches disposed adjacent a perimeter thereof; and the battery comprising: a plurality of tabs configured to move inwardly by initial engagement with corresponding notches in the charging base and to move outward behind the corresponding notches when the battery is fully received in the charging base, thereby defining a charging position; and first and second buttons associated with respective ones of the plurality of tabs, the first and second buttons each being configured to move the respective tabs inward for release from the notches to remove the battery from the charging position or that the plug is according to a standardized connection specification extends from the battery interface surface. FUNABIKI discloses a body having a pair of notches disposed adjacent a perimeter thereof (See Fig.3, Item#16 and Par.48, disclose engaging grooves. The examiner explains that even though FUNABIKI does not explicitly disclose that the notches are placed on a charger, it is well known the locking receiving mechanism placed on a power tool is also placed on the charger to attach the battery to a battery powered device and a charging device as evidenced by KONDO, US 2019/0280501 A1. Par.70, discloses the battery comprising a hook 38 to attach the battery to a power tool and to the charger); a battery (See Fig.4, Item#20a, discloses a battery pack) comprising: a plurality of tabs configured to move inwardly by initial engagement with corresponding notches in the charging base (See Fig.4, Items#28 and Pars.48 and 53, disclose claws which engage with engaging grooves [i.e. notches] 16 on a complementary body of a power supply section 11c) and to move outward behind the corresponding notches when the battery is fully received in the charging base, thereby defining a charging position (See Par.48, discloses the claws 28 engage with the grooves 16. The examiner explains that even though FUNABIKI does not explicitly disclose that the battery claws engage a charger, it is well known the locking claws [attachment mechanism] of the battery is used to attach the battery to a battery powered device and a charging device as evidenced by KONDO, US 2019/0280501 A1. Par.70, discloses the battery comprising a hook 38 to attach the battery to a power tool and to the charger); first and second buttons associated with respective ones of the plurality of tabs, the first and second buttons each being configured to move the respective tabs inward for release from the notches to remove the battery from the charging position (See Fig.4, and Par.48, disclose push buttons 27 which control claws 28 to engage and disengage from a corresponding device; that device being a power tool or a charger). LEE and FUNABIKI are analogous art since they both deal with battery packs. It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed by LEE with the teachings of FUNABIKI by adding the disclosed plurality of tabs and buttons to the battery and the plurality of notches structure [i.e. charger and power tool] for the benefit of securing the battery to the charger and the electronic device. The examiner further explains that even though LEE and FUNABIKI do not disclose the rechargeable battery assembly is for a kitchen appliance, the examiner explains that a recitation of the intended use of the claimed invention must result in a structural difference between the claimed invention and the prior art in order to patentably distinguish the claimed invention from the prior art. If the prior art structure is capable of performing the intended use, then it meets the claim. The examiner argues that the disclosed battery pack is capable of providing power to a kitchen appliance instead of a power tool as long as the power tool comprises a compatible battery attachment mechanism. However, LEE and FUNABIKI do not disclose the plug according to a standardized connection specification extends from the battery interface surface. SAKAKIBARA discloses a charging base comprising a battery interface surface and a plug extending from the battery interface surface (See Fig.4, discloses a charging adaptor comprising a plug 257. Also see Par.382, discloses the plug 257 is used to charge the battery of Fig.1), and a battery comprising a receptacle matching the plug and configured to mate with the plug to selectively engage the battery with the charging base (See Fig.1, Item#100, discloses a battery pack comprising a receptacle 108 matching the charger plug 257. The battery is charged when the plug mates with the receptacle [Par.382]. LEE, FUNABIKI and SAKAKIBARA are analogous art since they all deal with battery packs. It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed by LEE and FUNABIKI with the teachings of SAKAKIBBARA by extending the plug from the charger battery interface to selectively mate with the battery via the receptacle for the benefit of reducing cost by providing a single standardized interface to the charger and the battery pack that allows the charging base and the battery to be connected for charging and also allowing each of the charging base and the battery to be connected to a plurality of other devices using the standardized USB interface (i.e. allowing the battery to be used as a power bank or to receive charging via external power banks). Regarding claim 16, the examiner explains that claim 16 differs from claim 1 in that the plug is narrowly claimed as a USB-C plug, the remaining limitations are matched above in the claim 1 rejection. (The examiner points out to LEE Pars.10-13 which disclose that the interface between the charger and the battery maybe a USB type-C). Regarding claim 2, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 1, wherein the battery terminals are configured to align with terminals of a battery-receiving cavity of an appliance for electrical connection therewith (See LEE, Pars.16 and 40, disclose the battery pack is for attachment powering a power tool, the alignment of the terminals of the battery pack terminals and the power tool is inherent for the battery pack to provide power to the power tool. FUNABIKI further provides evidence that the battery pack terminals are aligned with the power tool terminals to provide power to the power tool [See Par.49 and Figs.1-3]). Regarding claim 3, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 2 as discussed above, wherein the charging base further comprises: a recess defined in the body and sized to passively receive the plurality of battery terminals (See LEE, Fig.2 discloses the charger comprising a physical interface 44 comprising a recess in which the battery pack 20 [Fig.1] fits to be charged). Regarding claim 4, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 1 as discussed above, However, LEE and FUBNABIKI as applied to claim 1 do not disclose wherein the pair of notches are on opposing sides of the body of the charging base. FUNABIKI further discloses the pair of notches are on opposing sides of the body of the receiving device (See Fig.2B, Items#16, disclose a pair of groove son opposite sides for receiving the hooks [Fig.4, Items#28] on both sides of the battery pack). It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed by LEE, FUNABIKI and SAKAKIBARA with the further teachings of FUNABIKI by placing the notches on opposite sides of the body of the charging base of LEE for the benefit of matching the disclosed tabs and locking and securing the battery pack to the charging base. Regarding claim 5, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 1 as discussed above, However, LEE, FUNABIKI and SAKAKIBARA do not disclose wherein the pair of notches include indentations having ramped portions to engage and retain the battery. FUNABIKI further discloses wherein the pair of notches include indentations having ramped portions to engage and retain the battery (See Fig.3, Items#16, disclose the indentation comprising an inclined portion to receive the hooks 28). It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed by LEE, FUNABIKI and SAKAKIBARA with the further teachings of FUNABIKI such that the pair of notches include indentations having ramped portions for the benefit of engaging and retaining the battery pack until the user actuates the buttons to manipulate the tabs to disengage the notches. Regarding claim 8, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 1, wherein the standardized connection specification is a USB-C connection (See LEE, Fig.2, Item#46 and Par.22, disclose a USB Type-C interface). Regarding claim 9, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 8 as discussed above, wherein the battery is configured for a 12 V operation (See LEE, Par.23, discloses battery USB interface is designed for operation voltage 12V). PNG media_image1.png 438 626 media_image1.png Greyscale Regarding claim 10, LEE discloses a rechargeable battery assembly for a kitchen appliance, comprising: a charging base (See Fig.2 [annotated above], Item#40, disclose a charging base), comprising: a body defining a perimeter edge (See annotated Fig.2, discloses a body defining a perimeter edge) and a recess therein (See annotated Fig.2, discloses the perimeter edge surrounds a recess in which the battery is received), the recess including a battery interface surface (See Fig.2, discloses a charger comprising a recessed surface surrounding plug 44, the battery [Fig.1, Item#20] slides onto the plug 44 which is present on a surface interpreted as the battery interface surface); a plug that extends from the battery interface surface, the plug is interiorly of the perimeter edge (See Figs.2-3, and Par.35, disclose a connector 44 for connecting to a battery interface [Fig.1, Item#24]. The plug is within/interiorly of the perimeter edge); and a battery (See Figs.2-3, Item#20), comprising: a plurality of battery terminals disposed within the recess of the charging base (See Fig.1, Item#24 and Par.31, disclose a battery physical interface comprising battery terminals to couple the battery 20 to a charger of similar configuration via charger physical interface [Fig.1, Item#44]. The battery terminals are in the charger recess when the battery is coupled to the charging base) and a receptacle configured to mate with the charging base when the battery is fully received in the charging base, thereby defining a charging position (See LEE, Fig.1, discloses the battery 20 physical interface comprising a receptacle area to receive the physical charging interface 44 of the charger 40). LEE further discloses the charger comprising a receptacle according to a standardized connection specification for connecting the charger to the battery using a wire, the battery also comprising a receptacle according to the standardized connection specification (See Figs.2-3, Item#46 disclose a USB port and a USB cable 60, the combination of the USB port and the USB cable comprising the USB plug [output end of the wire 60 comprising an output plug which connects to the battery 20). However, LEE does not disclose a pair of notches disposed adjacent the perimeter edge and that the battery assembly is for a kitchen assembly or that the plug according to a standardized connection specification extends from the battery interface surface. FUNABIKI discloses a body having a pair of notches disposed adjacent a perimeter thereof (See Fig.3, Item#16 and Par.48, disclose engaging grooves. The examiner explains that even though FUNABIKI does not explicitly disclose that the notches are placed on a charger, it is well known the locking receiving mechanism placed on a power tool is also placed on the charger to attach the battery to a battery powered device and a charging device as evidenced by KONDO, US 2019/0280501 A1. Par.70 discloses the battery comprising a hook 38 to attach the battery to a power tool and to the charger). LEE and FUNABIKI are analogous art since with since they both deal with battery packs. It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed by LEE with the teachings of FUNABIKI by adding the plurality of tabs and buttons to the battery and the plurality of notches structure [i.e. charger and power tool] for the benefit of securing the battery to the charger and the electronic device. The examiner further explains that even though LEE and FUNABIKI do not disclose the rechargeable battery assembly is for a kitchen appliance, the examiner explains that a recitation of the intended use of the claimed invention must result in a structural difference between the claimed invention and the prior art in order to patentably distinguish the claimed invention from the prior art. If the prior art structure is capable of performing the intended use, then it meets the claim. The examiner argues that the disclosed battery pack is capable of providing power to a kitchen appliance instead of a power tool as long as the power tool comprises a compatible battery attachment mechanism. However, LEE and FUNABIKI do not disclose the plug according to a standardized connection specification extends from the battery interface surface. SAKAKIBARA discloses a charging base comprising a battery interface surface and a plug extending from the battery interface surface (See Fig.4, discloses a charging adaptor comprising a plug 257. Also see Par.382, discloses the plug 257 is used to charge the battery of Fig.1), and a battery comprising a receptacle matching the plug and configured to mate with the plug to selectively engage the battery with the charging base (See Fig.1, Item#100, discloses a battery pack comprising a receptacle 108 matching the charger plug 257. The battery is charged when the plug mates with the receptacle [Par.382]. LEE, FUNABIKI and SAKAKIBARA are analogous art since they all deal with battery packs. It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed by LEE and FUNABIKI with the teachings of SAKAKIBBARA by extending the plug from the charger battery interface to selectively mate with the battery via the receptacle for the benefit of reducing cost by providing a single standardized interface to the charger and the battery pack that allows the charging base and the battery to be connected for charging and also allowing each of the charging base and the battery to be connected to a plurality of other devices using the standardized USB interface (i.e. allowing the battery to be used as a power bank or to receive charging via external power banks). Regarding claim 11, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 10 as discussed above, wherein the battery is configured in a snap-fit arrangement with the charging base (See LEE, Figs.1-2, disclose the battery 20 is configured for snap with charger 40 via physical interfaces 24 and 44 to snap fit). Regarding claim 12, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 10, wherein the battery is configured for a 12 V operation (See LEE, Par.23, discloses battery USB interface is designed for operation voltage 12V). Regarding claims 13-14, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 10 as discussed above, However, LEE, FUNABIKI and SAKAKIBARA do not disclose wherein the battery further comprises: a pair of flexible tabs; and a pair of buttons associated with the tabs, the pair of buttons configured to move the tabs inward for release from the charging base; a pair of notches, the pair of notches disposed adjacent the perimeter, the pair of notches configured to retain the pair of flexible tabs on the battery in the charging position. FUNABIKI further discloses the battery comprising: a pair of flexible tabs (See Fig.4, Items#28 and Pars.48 and 53, disclose the battery claws which engage with engaging grooves [i.e. notches] 16 on a complementary body of a power supply section 11c); and a pair of buttons associated with the tabs, the pair of buttons configured to move the tabs inward for release from the charging base (See Fig.4, and Par.48, disclose push buttons 27 which control claws 28 to engage and disengage from a corresponding device; that device being a power tool or a charger), a pair of notches, the pair of notches disposed adjacent the perimeter, the pair of notches configured to retain the pair of flexible tabs on the battery in the charging position (See Fig.3, Item#16 and Par.48, disclose engaging grooves. Fig.4, and Par.48, disclose push buttons 27 which control claws 28 to engage and disengage from a corresponding device grooves 16. The device being a power tool or a charger. Claim 10 as evidenced by KONDO, discloses the battery pack reception device may be a power tool or a charger). It would have been obvious to one of ordinary skill in the at before the effective filing date of the invention to modify the invention disclosed LEE, FUNABIKI and SAKAKIBARA as applied to claim 10 with the further teachings of FUNABIKI by adding the plurality of notches to the charging base and the tabs and buttons to the battery for the benefit of securing the battery to the charger and the electronic device and releasing the battery from the charging base when. Regarding claim 15, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 10 as discussed above, However, LEE, FUNABIKI and SAKAKIBARA as applied to claim 10 do not disclose further comprising: a first pair of tabs spaced from a second pair of tabs on the battery; and a first pair of notches spaced from a second pair of notches on the charging base, wherein the first pair of tabs engage with the first pair of notches and the second pair of tabs engage with the second pair of notches to retain the battery in the charging position. FUNABIKI further discloses the battery comprising: a first tab spaced from a second tab on the battery (See Fig.4, Items#28 and Pars.48 and 53, disclose the battery claws which engage with engaging grooves [i.e. notches] 16 on a complementary body of a power supply section 11c. The tabs “claws” are on opposite sides of the battery); and a first notch spaced from a second notch on the charging base, wherein the first pair of tabs engage with the first pair of notches and the second pair of tabs engage with the second pair of notches to retain the battery in the charging position (See Fig.3, Item#16 and Par.48, disclose engaging grooves. Fig.4, and Par.48, disclose push buttons 27 which control claws 28 to engage and disengage from a corresponding device grooves 16. The device being a power tool or a charger. Claim 10 as evidenced by KONDO, discloses the battery pack reception device may be a power tool or a charger). It would have been obvious to one of ordinary skill in the at before the effective filing date of the invention to modify the invention disclosed LEE, FUNABIKI and SAKAKIBARA as applied to claim 10 with the further teachings of FUNABIKI by adding the plurality of notches to the charging base and the tabs to the battery for the benefit of securing the battery to the charger and the power tool. However, LEE, FUNABIKI and SAKAKIBARA do not disclose using two pairs of spaced apart tabs on the battery and two pairs of spaced apart notches on the charging base instead of a single pair. However, the examiner explains that it would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed by LEE, FUNABIKI and SAKAKIBARA by increasing the number of tabs and notches from 2 (1 pair) to 4 (2 pair) for the benefit of increasing the holding security between the battery pack and the charging base. Regarding claim 17, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 16 as discussed above, wherein the battery terminals are configured to align with terminals of a power-receiving cavity of an appliance for electrical connection therewith (See FUNABIKI, Figs.3 and 4 and Par.49, disclose a battery pack receiving device 10c and a battery pack 20a. The battery pack receiving device comprising device side terminals 17 and the battery pack comprising a plurality of slits 29 and a power supply side terminal 30. The device side terminals align with the slits 29 including the power supply side terminal). Regarding claim 18, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 16, wherein the charging base further comprises: a recess defined in the body and sized to passively receive the plurality of battery terminals (See LEE, Fig.2, Item#44, discloses a physical interface which receives battery terminals in physical interface 24 in order to provide charging power to charge the battery). Regarding claim 20, LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 16, wherein the standardized connection specification is a USB-C connection (See LEE, Fig.2, Item#46 and Par.22, disclose a USB Type-C interface). Claim(s) 6-7 and 19 is/are rejected under 35 U.S.C. 103 as being unpatentable over LEE in view of FUNABIKI and SAKAKIBARA and in further view of PATRICK et al. (US 2009/0289805 A1, hereinafter PATRICK). Regarding claims 6-7 and 19 (claim 6 is considered representative for limitation matching purposes), LEE, FUNABIKI and SAKAKIBARA disclose the rechargeable battery assembly for a kitchen appliance of claim 1 as discussed above, However, LEE, FUNABIKI and SAKAKIBARA do not disclose wherein the battery further comprises: a plurality of light sources; and control circuitry, wherein the control circuitry is in electrical communication with at least one of the buttons and the control circuitry is configured to selectively activate the plurality of light sources upon receipt of a predetermined input from the at least one of the buttons. PATRICK discloses a battery pack comprising: a plurality of light sources (See Figs.4-5, Items#50 and 50’ and Pars.16 and 22-23 disclose a fuel gauge comprising a plurality of light sources); and control circuitry (See Fig.5 and Par.3, disclose a controller 58), wherein the control circuitry is in electrical communication with at least one of the buttons and the control circuitry is configured to selectively activate the plurality of light sources upon receipt of a predetermined input from the at least one of the buttons (See Par.22 and Fig.4, disclose that when the button 44’ is actuated, the fuel gauge 50’ displays the state of charge of the battery. Par.13 discloses the button 44 is used for latching and unlatching a latch 42 to couple and uncouple battery pack. Therefore, the input is deflection of tabs as required by claim 7). LEE, FUNABIKI, SAKAKIBARA and PATRICK are analogous art since they all deal with battery packs. It would have been obvious to one of ordinary skill in the art before the effective filing date of the invention to modify the invention disclosed by LEE, FUNABIKI and SAKAKIBARA with the teachings of PATRICK by adding the status indicating circuit comprising a plurality of light sources and the controller to display the battery state of charge when at least one of the buttons is pressed for the benefit of notifying the user of the battery state of charge while making use of existing buttons used for coupling and releasing the battery pack. Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to AHMED H OMAR whose telephone number is (571)270-7165. The examiner can normally be reached 10:00 am -7:00 PM EST. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Drew Dunn can be reached at 571-272-2312. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /AHMED H OMAR/Primary Examiner, Art Unit 2859
Read full office action

Prosecution Timeline

Feb 28, 2023
Application Filed
Dec 02, 2025
Non-Final Rejection (signed) — §103
Feb 05, 2026
Non-Final Rejection mailed — §103
May 04, 2026
Response Filed
Jul 10, 2026
Final Rejection mailed — §103 (current)

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Prosecution Projections

3-4
Expected OA Rounds
75%
Grant Probability
90%
With Interview (+14.4%)
2y 7m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 1085 resolved cases by this examiner. Grant probability derived from career allowance rate.

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