USPTO serial 72193547
Reviewed by CopyMark Law Group
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 | BLOCK REPAIR BUSHINGS; PISTON PIN BUSHINGS; CYLINDER SLEEVE ASSEMBLIES CONSISTING OF SLEEVE, PISTON PIN, PISTON PIN LOCKS, PISTON RINGS, AND SLEEVE SEALING RING; CYLINDER SLEEVE REPAIR LINERS; CYLINDER SLEEVES; PISTONS; PISTON PINS; REBORE KITS CONSISTING OF PISTON PIN, PISTON PIN LOCKS, AND PISTON RINGS; VALVES FOR ENGINE CYLINDERS; AND VALVE GUIDES, VALVE SPRINGS, VALVE KEEPERS, AND VALVE SEATS FOR VALVES FOR ENGINE CYLINDERS | EXPIRED | Jan 31, 1962 |
| 035 | PISTON RINGS | ACTIVE | Jan 16, 1964 |
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 |
|---|---|---|---|
| Oct 20, 1985 | EXRG | EXPIRED SEC. 9 | — |