Prosecution Insights
Last updated: April 19, 2026

A W Chesterton Company

5 pending office actions

Portfolio Summary

5
Total Pending OAs
1
Final Rejections
4
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
19230939 SYSTEM AND METHOD FOR AUTOMATICALLY ENERGIZING PACKING MATERIAL WITH A PACKING LOADING ASSEMBLY LE, MINH Q 3753 Non-Final OA Jun 06, 2025
19193493 BI-DIRECTIONAL COMPRESSION LOADED MECHANICAL PACKING SEALING ASSEMBLY PATEL, VISHAL A 3675 Non-Final OA Apr 29, 2025
19173426 PRESSURE BALANCED SELF-REGULATING MECHANICAL PACKING SEALING ASSEMBLY PATEL, VISHAL A 3675 Non-Final OA Apr 08, 2025
18908475 TEMPERATURE COMPENSATING BIMETALLIC SPRING ENERGIZED MECHANICAL SEAL ROST, ANDREW J 3753 Non-Final OA Oct 07, 2024
18514566 MECHANICAL SEAL MATING RING WITH DIRECT THERMAL CONTROL KONERU, LAKSHMI S 3675 Final Rejection Nov 20, 2023

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