Prosecution Insights
Last updated: September 17, 2026
Application No. 18/956,438

BULKHEAD FOR HEAVY-DUTY VEHICLE AXLES

Non-Final OA §102
Filed
Nov 22, 2024
Priority
Dec 01, 2023 — provisional 63/604,974
Examiner
JOHNSON, VICKY A
Art Unit
Tech Center
Assignee
Hendrickson USA LLC
OA Round
1 (Non-Final)
80%
Grant Probability
Favorable
1-2
OA Rounds
6m
Est. Remaining
92%
With Interview

Examiner Intelligence

Grants 80% — above average
80%
Career Allowance Rate
876 granted / 1097 resolved
+19.9% vs TC avg
Moderate +12% lift
Without
With
+12.3%
Interview Lift
resolved cases with interview
Typical timeline
2y 4m
Avg Prosecution
12 currently pending
Career history
1122
Total Applications
across all art units

Statute-Specific Performance

§101
0.6%
-39.4% vs TC avg
§103
17.4%
-22.6% vs TC avg
§102
49.7%
+9.7% vs TC avg
§112
31.8%
-8.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1097 resolved cases

Office Action

§102
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 . 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 and 2 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Zawacki et al (DE 102016117818). Zawacki et al discloses an axle for a heavy-duty vehicle, said axle comprising: a central tube (2); a pair of spindles (3, 3), each spindle (3) being disposed at a respective axial end of said central tube (2); and a bulkhead - disposed at least partially over an opening formed into the central tube (2) and attached to said axle (16); wherein said bulkhead (5) provides connection for conduits (8) passing from outside of the axle (16) into the central tube (2). Re claim 2, said bulkhead further comprising a tubular body (5) having upper and lower portions and a central opening formed through said upper and lower portions of said body (see Fig 1). Allowable Subject Matter Claims 3-38 are objected to as being dependent upon a rejected base claim but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Any inquiry concerning this communication or earlier communications from the examiner should be directed to VICKY A JOHNSON whose telephone number is (571)272-7106. The examiner can normally be reached Monday - Friday. 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 R 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. /VICKY A JOHNSON/Primary Examiner, Art Unit 3617
Read full office action

Prosecution Timeline

Nov 22, 2024
Application Filed
Sep 11, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12698819
FLYWHEEL MAGNETIC LIFT AND BEARING SYSTEM
2y 2m to grant Granted Aug 04, 2026
Patent 12687216
A FLYWHEEL ARRANGEMENT, A VEHICLE AND A METHOD OF MANUFACTURING A FLYWHEEL ARRANGEMENT
4y 9m to grant Granted Jul 21, 2026
Patent 12654792
HYBRID VEHICLE WITH A VARIABLE GEOMETRY CHASSIS
3y 1m to grant Granted Jun 16, 2026
Patent 12644438
FLYWHEEL
1y 9m to grant Granted Jun 02, 2026
Patent 12643507
PEDAL DEVICE
1y 4m to grant Granted Jun 02, 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
80%
Grant Probability
92%
With Interview (+12.3%)
2y 4m (~6m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1097 resolved cases by this examiner. Grant probability derived from career allowance rate.

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