Prosecution Insights
Last updated: July 17, 2026
Application No. 19/188,012

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

Non-Final OA §102§112
Filed
Apr 24, 2025
Priority
May 09, 2024 — JP 2024-076374
Examiner
THERRIEN, CARLA J
Art Unit
2852
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Ricoh Company, Ltd.
OA Round
1 (Non-Final)
87%
Grant Probability
Favorable
1-2
OA Rounds
2m
Est. Remaining
91%
With Interview

Examiner Intelligence

Grants 87% — above average
87%
Career Allowance Rate
560 granted / 646 resolved
+18.7% vs TC avg
Minimal +4% lift
Without
With
+4.4%
Interview Lift
resolved cases with interview
Fast prosecutor
1y 5m
Avg Prosecution
20 currently pending
Career history
664
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
65.4%
+25.4% vs TC avg
§102
19.2%
-20.8% vs TC avg
§112
10.9%
-29.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 646 resolved cases

Office Action

§102 §112
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 . 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. Claim Rejections - 35 USC § 112 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claims 1-9 are rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 1 recites “a boss, into which the first end coil is inserted in an insertion direction” in the 2nd-to-last paragraph of the claim. This seems to be opposite of the structures shown in the figures. See Fig. 6B, for example. Boss 29b is inserted into first end coil 30a, not the other way around. As such, claim 1 is rendered indefinite. Claims 2-9 are indefinite due to their dependence upon claim 1. For examination purposes, the indefinite claim language will be interpreted as --a boss which is inserted in an insertion direction into the first end coil--. Note: the following rejections are based upon the claims as best understood by Examiner. Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claim(s) 1-4 and 8-9 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Nakamura et al. (US 2002/0118978; “Nakamura”). Regarding claim 1, Nakamura discloses a heating device (Fig. 1 [0056]) comprising: a heater 8 (Fig. 1 [0057]); a temperature sensor 1 to detect a temperature of the heater 8 (Fig. 1 [0057]); a compression coil spring 6 (Fig. 1 [0058, 0080]) having: a first end coil at one end of the compression coil spring (see partial Fig. 1 below); a second end coil at another end of the compression coil spring (see partial Fig. 1 below); and an active coil between the first end coil and the second end coil (see partial Fig. 1 below); a receiver (part of element 7; [0058]) receiving the second end coil (see partial Fig. 1 below); and a sensor holder 4 including: a holding portion 5 to hold the temperature sensor 1 at one side (bottom side) of the sensor holder 4 (Fig. 1 [0057]); and a boss, into which the first end coil is inserted in an insertion direction (upward in Fig. 1), to support the first end coil at another side (upper side) of the sensor holder 4 (see partial Fig. 1 below), the boss having a fixing portion (lower portion of the boss directly in contact with sensor holder 4) contacting an inner face of the first end coil, and the active coil spaced apart from the fixing portion in the insertion direction (see Fig. 1). [AltContent: arrow][AltContent: textbox (Guide)] Regarding claim 2, Nakamura discloses the heating device according to claim 1, wherein the boss has a guide (upper tapered portion of boss) on the fixing portion, and the active coil has a portion facing the guide of the boss (see annotated partial Fig. 1 above). Regarding claim 3, Nakamura discloses the heating device according to claim 2, wherein the guide has a taper tapering toward a tip of the guide (see Fig. 1). Regarding claim 4, Nakamura discloses the heating device according to claim 3, wherein the active coil has a portion facing the taper of the guide (see Fig. 1). Regarding claim 8, Nakamura discloses a fixing device 212 comprising the heating device according to claim 1 (Fig. 5 [0004, 0056]). Regarding claim 9, Nakamura discloses an image forming apparatus comprising the fixing device according to claim 8 (Fig. 5 [0004, 0056]). Claim(s) 1 and 5 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Nakamura (US 2002/0118978). Regarding claim 1, Nakamura discloses a heating device (Fig. 10B [0091]) comprising: a heater 8 (Fig. 10B [0092]); a temperature sensor 1 to detect a temperature of the heater 8 (Fig. 10B [0092]); a compression coil spring 5 (Fig. 10B [0092]) having: a first end coil at one end of the compression coil spring (see partial Fig. 10B below); a second end coil at another end of the compression coil spring (see partial Fig. 10B below); and an active coil between the first end coil and the second end coil (see partial Fig. 10B below); a receiver receiving the second end coil (although not shown in Fig. 10B, a receiver receiving the second end coil must be present in order for the compression springs to be able to apply biasing force as required for the apparatus to function as intended); and a sensor holder 13 (Fig. 10B [0092]) including: a holding portion 13a to hold the temperature sensor 1 at one side (bottom side) of the sensor holder 13 (Fig. 10B [0092]); and a boss 9b, into which the first end coil is inserted in an insertion direction (upward in Fig. 10B), to support the first end coil at another side (upper side) of the sensor holder 13 (see Fig. 10B), the boss having a fixing portion contacting an inner face of the first end coil (as 13e is described as a “positioning hole,” contact between an inner face of the first end coil and fixing portion is able to occur at least during the manufacturing process), and the active coil spaced apart from the fixing portion in the insertion direction (see partial Fig. 10B below). [AltContent: textbox (Fixing portion)] Regarding claim 5, Nakamura discloses the heating device according to claim 1, wherein the boss 9b has a reduced diameter portion between the fixing portion and the holding portion 13a (boss 9b has a reduced diameter compared to the diameter of spring receiving surface 13c; Figs. 10A-10B [0092]), one end of the first end coil faces the reduced diameter portion (see Fig. 10B), and the reduced diameter portion has a diameter smaller than an inner diameter of the first end coil and is separated from the first end coil in a radial direction of the first end coil (see Fig. 10B). Allowable Subject Matter Claims 6-7 would be allowable if rewritten to overcome the rejection(s) under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 2nd paragraph, set forth in this Office action and to include all of the limitations of the base claim and any intervening claims. The following is a statement of reasons for the indication of allowable subject matter: Prior art of record does not disclose or suggest the claimed “wherein the fixing portion of the boss has a spiral end face at a tip end of the fixing portion in the insertion direction, and the spiral end face has an inclination angle equal to an inclination angle of the first end coil” in combination with the remaining limitations of claims 6-7. Prior Art The prior art made of record and not relied upon is cited as related art. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to CARLA J THERRIEN whose telephone number is (571)272-2677. The examiner can normally be reached Monday-Friday 8 am - 4 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, Stephanie Bloss can be reached at (571)272-3555. 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. /CARLA J THERRIEN/Primary Examiner, Art Unit 2852
Read full office action

Prosecution Timeline

Apr 24, 2025
Application Filed
Jun 03, 2026
Non-Final Rejection mailed — §102, §112
Jul 13, 2026
Interview Requested

Precedent Cases

Applications granted by this same examiner with similar technology

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IMAGE FORMING SYSTEM
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IMAGE FORMING SYSTEM, DIAGNOSTIC APPARATUS, AND IMAGE FORMING APPARATUS
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Patent 12669769
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1y 10m to grant Granted Jun 30, 2026
Patent 12669772
IMAGE FORMING APPARATUS
1y 3m to grant Granted Jun 30, 2026
Patent 12663743
FIXING DEVICE
1y 6m to grant Granted Jun 23, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
87%
Grant Probability
91%
With Interview (+4.4%)
1y 5m (~2m remaining)
Median Time to Grant
Low
PTA Risk
Based on 646 resolved cases by this examiner. Grant probability derived from career allowance rate.

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