Prosecution Insights
Last updated: May 29, 2026
Application No. 18/433,561

OIL LUBRICATION FAN PERSUADER

Non-Final OA §103§112
Filed
Feb 06, 2024
Examiner
PILKINGTON, JAMES
Art Unit
3617
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Rtx Corporation
OA Round
3 (Non-Final)
70%
Grant Probability
Favorable
3-4
OA Rounds
2m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 70% — above average
70%
Career Allowance Rate
1111 granted / 1585 resolved
+18.1% vs TC avg
Strong +36% interview lift
Without
With
+35.7%
Interview Lift
resolved cases with interview
Typical timeline
2y 6m
Avg Prosecution
36 currently pending
Career history
1624
Total Applications
across all art units

Statute-Specific Performance

§101
0.7%
-39.3% vs TC avg
§103
59.9%
+19.9% vs TC avg
§102
8.2%
-31.8% vs TC avg
§112
27.7%
-12.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1585 resolved cases

Office Action

§103 §112
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 . Continued Examination Under 37 CFR 1.114 A request for continued examination under 37 CFR 1.114, including the fee set forth in 37 CFR 1.17(e), was filed in this application after final rejection. Since this application is eligible for continued examination under 37 CFR 1.114, and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114. Applicant's submission filed on December 3, 2025 (claims as filed on November 5, 2025) has been entered. Specification The amendment filed November 5, 2025 is objected to under 35 U.S.C. 132(a) because it introduces new matter into the disclosure. 35 U.S.C. 132(a) states that no amendment shall introduce new matter into the disclosure of the invention. The added material which is not supported by the original disclosure is as follows: the drawings showing a monolithic configuration of the shaft and persuader, see rejection under 35 USC 112(a) below. Applicant is required to cancel the new matter in the reply to this Office Action. Claim Interpretation The following is a quotation of 35 U.S.C. 112(f): (f) Element in Claim for a Combination. – An element in a claim for a combination may be expressed as a means or step for performing a specified function without the recital of structure, material, or acts in support thereof, and such claim shall be construed to cover the corresponding structure, material, or acts described in the specification and equivalents thereof. The following is a quotation of pre-AIA 35 U.S.C. 112, sixth paragraph: An element in a claim for a combination may be expressed as a means or step for performing a specified function without the recital of structure, material, or acts in support thereof, and such claim shall be construed to cover the corresponding structure, material, or acts described in the specification and equivalents thereof. The claims in this application are given their broadest reasonable interpretation using the plain meaning of the claim language in light of the specification as it would be understood by one of ordinary skill in the art. The broadest reasonable interpretation of a claim element (also commonly referred to as a claim limitation) is limited by the description in the specification when 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, is invoked. As explained in MPEP § 2181, subsection I, claim limitations that meet the following three-prong test will be interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph: (A) the claim limitation uses the term “means” or “step” or a term used as a substitute for “means” that is a generic placeholder (also called a nonce term or a non-structural term having no specific structural meaning) for performing the claimed function; (B) the term “means” or “step” or the generic placeholder is modified by functional language, typically, but not always linked by the transition word “for” (e.g., “means for”) or another linking word or phrase, such as “configured to” or “so that”; and (C) the term “means” or “step” or the generic placeholder is not modified by sufficient structure, material, or acts for performing the claimed function. Use of the word “means” (or “step”) in a claim with functional language creates a rebuttable presumption that the claim limitation is to be treated in accordance with 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph. The presumption that the claim limitation is interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, is rebutted when the claim limitation recites sufficient structure, material, or acts to entirely perform the recited function. Absence of the word “means” (or “step”) in a claim creates a rebuttable presumption that the claim limitation is not to be treated in accordance with 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph. The presumption that the claim limitation is not interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, is rebutted when the claim limitation recites function without reciting sufficient structure, material or acts to entirely perform the recited function. Claim limitations in this application that use the word “means” (or “step”) are being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, except as otherwise indicated in an Office action. Conversely, claim limitations in this application that do not use the word “means” (or “step”) are not being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, except as otherwise indicated in an Office action. This application includes one or more claim limitations that do not use the word “means,” but are nonetheless being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, because the claim limitation(s) uses a generic placeholder that is coupled with functional language without reciting sufficient structure to perform the recited function and the generic placeholder is not preceded by a structural modifier. Such claim limitation(s) is/are: the persuader (generic placeholder) with the recited function of “configured to…” in claim 1, this is linked in the specification to features such as fans and compressors “or the like”. Because this/these claim limitation(s) is/are being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, it/they is/are being interpreted to cover the corresponding structure described in the specification as performing the claimed function, and equivalents thereof. This would include any form of a device that would push, propel or fling lubricant toward the bearing element. If applicant does not intend to have this/these limitation(s) interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, applicant may: (1) amend the claim limitation(s) to avoid it/them being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph (e.g., by reciting sufficient structure to perform the claimed function); or (2) present a sufficient showing that the claim limitation(s) recite(s) sufficient structure to perform the claimed function so as to avoid it/them being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph. Because this/these claim limitation(s) is/are not being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, it/they is/are not being interpreted to cover only the corresponding structure, material, or acts described in the specification as performing the claimed function, and equivalents thereof. If applicant intends to have this/these limitation(s) interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, applicant may: (1) amend the claim limitation(s) to remove the structure, materials, or acts that performs the claimed function; or (2) present a sufficient showing that the claim limitation(s) does/do not recite sufficient structure, materials, or acts to perform the claimed function. Claim Rejections - 35 USC § 112 The following is a quotation of the first paragraph of 35 U.S.C. 112(a): (a) IN GENERAL.—The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor or joint inventor of carrying out the invention. The following is a quotation of the first paragraph of pre-AIA 35 U.S.C. 112: The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor of carrying out his invention. Claims 1, 2, 7-9, 11-15 and 18-20 are rejected under 35 U.S.C. 112(a) or 35 U.S.C. 112 (pre-AIA ), first paragraph, as failing to comply with the written description requirement. The claim(s) contains subject matter which was not described in the specification in such a way as to reasonably convey to one skilled in the relevant art that the inventor or a joint inventor, or for applications subject to pre-AIA 35 U.S.C. 112, the inventor(s), at the time the application was filed, had possession of the claimed invention. Regarding claims 1, 8, 11, 13, 14 and 20, based on Applicant’s remarks/confirmation that the drawings are schematics in the remarks filed August 26, 2025, the drawings cannot be relied upon for any structural details of the device. The specification as originally filed did not state that the persuader was monolithic (single part) with the shaft, the original hatching in figure 1, or the lack thereof, is also not suggestive of a monolithic configuration and the original spacing between the parts in figure 2 also does not show a monolithic configuration. Because of this it cannot be said that at the time of filing that Applicant was actually in possession of the structure/concept that the persuader was monolithic with or one piece with the shaft and thus the amendment to the claims introduces new matter (including introducing new matter to the drawings). With regards to the new matter issue Applicant argues that the recitation of the part being monolithic/single piece is supported by paragraph 0028 which states that the persuader is "formed with" the shaft. "Formed with" is much broader than monolithic and can include separate parts bonded together through any number of means or could include a process where the parts are made/shaped simultaneous but yet remain separate and distinct parts, such as molding in a common mold with two chambers or parts that are attached and then milled at the same time. The broad description in the specification cannot be said to provide clear support that Applicant was in possession of the much narrower monolithic unit at the time of filing. The drawings, as original filed, also do not provide a clear detailed representation of the part to support this position either. Because of this the argument is unpersuasive and all the claims remain rejected under 35 USC 112(a). Claim Rejections - 35 USC § 103 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. Claim(s) 1 and 2 is/are rejected under 35 U.S.C. 103 as being unpatentable over Rockwood, USP 5,591,020. Regarding claim 1, Rockwood discloses a lubrication system comprising a bearing compartment housing (11); a shaft (7) supported by bearings (31/33) located within the bearing compartment housing (11); and a persuader (35) provided on the shaft, the persuader configured to propel at least one of a lubricant, air and a mist of lubricant entrained in the air onto the bearing (35 agitates the lubricant in the reservoir using it to disperse to the bearings). Rockwood does not disclose that the persuader is integral as a monolithic unit with the shaft. It would have been obvious to one having ordinary skill in the art at the time of effective filing to modify Rockwood and make the shaft and persuader as one monolithic unit, since it has been held that forming in one piece an article which has formerly been formed in two pieces and put together involves only routine skill in the art. Howard v. Detroit Stove Works, 150 U.S. 164 (1893) and In re Larson, 340 F.2d 965, 968, 144 USPQ 347, 349 (CCPA 1965). Regardless of the persuader being one piece with the shaft or two the persuader would perform the same function and making the parts as one piece provides the predictable result of simplifying the assembly of the part as there would be no need for an additional step of securing the persuader to the shaft. Regarding claim 2, Rockwood discloses that the persuader is selected from the group comprising one of a fan, an axial flow fan, a compressor or a mixed flow compressor (35 in Rockwood can be considered a fan). Response to Arguments Applicant's arguments filed November 5, 2025 with respect to the remaining rejection under 35 USC 112(a) have been fully considered but they are not persuasive. With regards to the argument regarding the rejection under 35 USC 112(a) see the additional comments in the rejection above. It is further noted that this position was explained in the advisory action mailed November 10, 2025, however in filing the request for reconsideration Applicant has made no additional comment and thus the rejection is maintained. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to JAMES PILKINGTON whose telephone number is (571)272-5052. The examiner can normally be reached Monday through Friday 7-3. 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, John Olszewski can be reached at 571-272-2706. 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. /JAMES PILKINGTON/Primary Examiner, Art Unit 3617
Read full office action

Prosecution Timeline

Feb 06, 2024
Application Filed
May 27, 2025
Non-Final Rejection mailed — §103, §112
Aug 26, 2025
Response Filed
Sep 05, 2025
Final Rejection mailed — §103, §112
Nov 05, 2025
Response after Non-Final Action
Dec 03, 2025
Request for Continued Examination
Dec 16, 2025
Response after Non-Final Action
Dec 22, 2025
Non-Final Rejection mailed — §103, §112 (current)

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

3-4
Expected OA Rounds
70%
Grant Probability
99%
With Interview (+35.7%)
2y 6m (~2m remaining)
Median Time to Grant
High
PTA Risk
Based on 1585 resolved cases by this examiner. Grant probability derived from career allowance rate.

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