Application

17880675 · Double-Layer Sealed Box Having Activated Carbon Circulation Sealing Device

Filed 2022-08-04 · Granted · Patent 12343679 (2025-07-01) The official file ↗The patent and its PDF ↗ · Art unit 1799 · Examiner Jacob Paul Strayer · CPC B01D 53/83 · HUNAN UNIVERSITY · Clifford Chi, A.P.C.

Office actions

first was Notice of allowance

RCEs

no appeal

To first action

33.2 mo

to disposition 34.9 mo

Statutes raised

0 actions read

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