Prosecution Insights
Last updated: April 19, 2026
Application No. 18/417,151

LOCKING MECHANISMS FOR CONDUIT FASTENER ASSEMBLIES

Non-Final OA §102
Filed
Jan 19, 2024
Examiner
DRAGICEVICH, ZACHARY T
Art Unit
3679
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Enduralock LLC
OA Round
3 (Non-Final)
79%
Grant Probability
Favorable
3-4
OA Rounds
3y 0m
To Grant
84%
With Interview

Examiner Intelligence

Grants 79% — above average
79%
Career Allow Rate
556 granted / 704 resolved
+27.0% vs TC avg
Moderate +5% lift
Without
With
+5.2%
Interview Lift
resolved cases with interview
Typical timeline
3y 0m
Avg Prosecution
33 currently pending
Career history
737
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
36.2%
-3.8% vs TC avg
§102
36.3%
-3.7% vs TC avg
§112
22.3%
-17.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 704 resolved cases

Office Action

§102
DETAILED ACTION The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . The text of those sections of Title 35, U.S. Code not included in this action can be found in a prior Office action. Response to Arguments Applicant’s arguments, see pages 6-8, filed 16 February 2026, with respect to the rejection(s) of claim(s) 1 under 35 U.S.C. § 102 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 Therefore, the rejection has been withdrawn.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 below. Claim Rejections - 35 USC § 102 Claims 1, 2, 6, 8-12, 14, and 15 are rejected under 35 U.S.C. 102(a)(1)/(a)(2) as being anticipated by Myers et al. (USP 4,655,482 hereinafter “Myers”). In regards to claim 1, Myers discloses a fastener assembly comprising: a tube fitting (20) defining a longitudinal axis; a lock assembly (42) releasably coupled to the tube fitting and including teeth (56); and a conduit nut (44) defining an inner cavity (central bore) sized and shaped to receive a portion of the tube fitting therein (shown in fig. 4), the conduit nut comprising a circumferential wall extending about a periphery of the conduit nut and notches (62) wherein the lock assembly is positionable between a locked position in which the teeth are engaged with the notches and an unlocked position in which the teeth are spaced from the notches, the tube fitting is fixed against rotation within the inner cavity when the lock assembly is in the locked position, and the tube fitting is rotatable within the inner cavity when the lock assembly is in the unlocked position (see column 2, line 59 - column 3, line 23) In regards to claim 2, Myers further discloses the lock assembly comprises a lock member (at "54") and a sleeve (at "42"), wherein at least one of the lock member or the sleeve comprises the teeth, and wherein the sleeve is displaced axially or rotated to switch the lock assembly between the locked position and the unlocked position (shown in figs. 3a-3d). In regards to claims 6 and 12, Myers further discloses at least one of the lock member or the sleeve is configured to engage the tube fitting and to fix rotation of the lock assembly relative to the tube fitting when the lock assembly is in the locked position (see column 2, line 59 - column 3, line 23). In regards to claim 8, Myers further discloses in the unlocked position, the teeth are displaced radially inward of the circumferential wall (shown in fig. 3) and the teeth are disengaged from the notches such that the conduit nut is rotatable relative to the tube fitting (see column 2, line 59 - column 3, line 23]). In regards to claims 9 and 15, Myers further disclose g a bias component (46) positioned to bias a lock assembly (56, 62) toward a locked position (see column 3 ,lines 31-35). In regards to claim 10, Myers discloses a lock assembly (42) for a tube fitting defining a longitudinal axis, the lock assembly comprising: a lock member (at "54"); a sleeve (at"42"), wherein at least one of the lock member or the sleeve comprises teeth (56); and a conduit nut (44) defining an inner cavity (central bore) sized and shaped to receive a portion of the tube fitting (shown in fig. 4) therein, the conduit nut including notches (62), wherein the lock assembly is positionable between a locked position in which the teeth are engaged with the notches and an unlocked position in which the teeth are spaced from the notches, the tube fitting is fixed against rotation within the inner cavity when the lock assembly is in the locked position, and the tube fitting is rotatable within the inner cavity when the lock assembly is in the unlocked position (see column 2, line 59 - column 3, line 23). In regards to claim 11, Myers further discloses the sleeve is displaced axially or rotated to switch the lock assembly between the locked position and the unlocked position (see column 2, line 59 - column 3, line 23). In regards to claim 14, Myers further discloses the teeth extend from an end of the sleeve, and wherein the teeth are spaced axially from the notches when the lock assembly is in the unlocked position (see column 2, line 59 - column 3, line 23). . (USP 4,655,482 hereinafter "Myers"). Allowable Subject Matter Claims 16-20 are allowed. Claims 3-5, 7, and 13 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 Any inquiry concerning this communication or earlier communications from the examiner should be directed to ZACHARY T DRAGICEVICH whose telephone number is (571)270-0505. The examiner can normally be reached Monday-Friday 8:00 - 4:30 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, Matthew D. Troutman can be reached at (571) 270-3654. 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. /ZACHARY T DRAGICEVICH/Primary Examiner, Art Unit 3679 02/18/2026
Read full office action

Prosecution Timeline

Jan 19, 2024
Application Filed
Jul 21, 2025
Non-Final Rejection — §102
Oct 23, 2025
Response Filed
Dec 11, 2025
Final Rejection — §102
Feb 13, 2026
Applicant Interview (Telephonic)
Feb 13, 2026
Examiner Interview Summary
Feb 16, 2026
Response after Non-Final Action
Feb 18, 2026
Non-Final Rejection — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

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2y 5m to grant Granted Mar 24, 2026
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Patent 12578045
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Patent 12571491
PIPE JOINT
2y 5m to grant Granted Mar 10, 2026
Patent 12565951
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2y 5m to grant Granted Mar 03, 2026
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
79%
Grant Probability
84%
With Interview (+5.2%)
3y 0m
Median Time to Grant
High
PTA Risk
Based on 704 resolved cases by this examiner. Grant probability derived from career allow rate.

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