USPTO serial 72154159
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This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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PHILADELPHIA 40, PA
| Class | Description | Status | First use |
|---|---|---|---|
| 023 | CENTRIFUGES, MIXERS, PUMPS, PARTICLE CLASSIFIERS, COUNTER-CURRENT EXTRACTORS, DEAERATORS, STEAM CONDENSERS, POWDER COLLECTION EQUIPMENT, PROPORTIONING DEVICES, PARTICLE SIZE ANALYZERS, LEVEL CONTROLLERS, TIME CONTROLS FOR CENTRIFUGES, SPRAY DRYERS, VACUUM DRYERS, VACUUM DEHYDRATORS, AND HEATER ASSEMBLIES | EXPIRED | Nov 11, 1957 |
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Jun 23, 2022 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Feb 23, 2022 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Feb 26, 1988 | EXRG | EXPIRED SEC. 9 | — |