USPTO serial 72188560
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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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| Class | Description | Status | First use |
|---|---|---|---|
| 023 | POSITIVE CRANKCASE VENTILATION VALVES-NAMELY, VALVES USED IN INTERNAL COMBUSTION ENGINES FOR ELIMINATING CRANKCASE EMISSIONS | EXPIRED | Jul 16, 1963 |
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 |
|---|---|---|---|
| Mar 12, 1985 | EXRG | EXPIRED SEC. 9 | — |
| Nov 1, 1984 | 9.AF | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | — |