Prosecution Insights
Last updated: April 19, 2026

Hedman & Costigan, P.C.

6 pending office actions • 1 client

Portfolio Summary

6
Total Pending OAs
0
Final Rejections
6
Non-Final OAs

Client Portfolio (1 client)

Client (Assignee)Pending OAs
Ntn Corporation 6

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18682929 PISTON RING Ntn Corporation PATEL, VISHAL A 3675 Non-Final OA Jul 21, 2025
18848903 ROLLING BEARING CAGE AND ROLLING BEARING Ntn Corporation PILKINGTON, JAMES 3617 Non-Final OA Sep 19, 2024
18283200 SEALED ROLLING BEARING Ntn Corporation PILKINGTON, JAMES 3617 Non-Final OA Aug 15, 2024
18684831 CAGE FOR ROLLING BEARING AND ROLLING BEARING Ntn Corporation NGUYEN, AIMEE TRAN 3617 Non-Final OA Feb 19, 2024
18022163 SILICON NITRIDE SINTERED BODY, ROLLING ELEMENT USING THE SAME, AND BEARING Ntn Corporation ABU ALI, SHUANGYI 1731 Non-Final OA Feb 19, 2023
17794250 GREASE COMPOSITION AND GREASE-SEALED BEARING Ntn Corporation OLADAPO, TAIWO 1771 Non-Final OA Jul 20, 2022

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