Application

17128474 · EXHAUST GAS AFTERTREATMENT SYSTEM WITH A SELECTIVE CATALYTIC REDUCTION CATALYST MEMBER UPSTREAM OF A PARTICULATE FILTER

Filed 2020-12-21 · Granted · Patent 11421572 (2022-08-23) The official file ↗The patent and its PDF ↗ · Art unit 3746 · Examiner Dapinder Singh Easy · CPC F01N 13/009 · Cummins Inc. · Foley & Lardner LLP

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

8.5 mo

to disposition 20.0 mo

Statutes raised

102 103

2 actions read

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