Application

17303668 · RESPIRATOR NEGATIVE PRESSURE FIT CHECK DEVICES AND METHODS

Filed 2021-06-04 · Granted · Patent 12128259 (2024-10-29) The official file ↗The patent and its PDF ↗ · Art unit 3786 · Examiner Keri Jessica Nelson Typical · CPC A62B 18/10 · 3M INNOVATIVE PROPERTIES COMPANY · 3M INNOVATIVE PROPERTIES COMPANY

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

33.1 mo

to disposition 40.8 mo

Statutes raised

112 DP

1 actions read

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