Application
17656266 · EXHAUST GAS PURIFICATION MATERIAL AND EXHAUST GAS PURIFICATION DEVICE
Filed 2022-03-24 · Granted · Patent 11643958 (2023-05-09) The official file ↗The patent and its PDF ↗ · Art unit 1774 · Examiner Thanh P Duong Easy · CPC F01N 3/28 · TOYOTA JIDOSHA KABUSHIKI KAISHA · Dickinson Wright PLLC - Washington DC
Office actions
1
first was Non-final rejection
RCEs
0
no appeal
To first action
7.0 mo
to disposition 13.5 mo
Statutes raised
103
1 actions read