Application

17136420 · PILLAR SHAPED HONEYCOMB STRUCTURE, EXHAUST GAS PURIFYING DEVICE, EXHAUST SYSTEM, AND METHOD FOR PRODUCING HONEYCOMB STRUCTURE

Filed 2020-12-29 · Granted · Patent 11614011 (2023-03-28) The official file ↗The patent and its PDF ↗ · Art unit 1774 · Examiner Thanh P Duong Easy · CPC F01N 3/0222 · NGK INSULATORS, LTD. · Muncy, Geissler, Olds & Lowe, P.C.

Office actions

first was Restriction requirement

RCEs

no appeal

To first action

14.9 mo

to disposition 26.9 mo

Statutes raised

102 103

1 actions read

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