USPTO serial 72117536
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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 |
|---|---|---|---|
| 021 | PORTABLE TYPE BASING HEAD HAVING BUILT-IN ELECTRICAL HEATER FOR USE IN CENTERING AND FUSING A BASE ON THE END OF A METAL-GLASS KINESCOPE TELEVISION PICTURE TUBE | EXPIRED | Mar 3, 1955 |
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 |
|---|---|---|---|
| Jan 28, 1988 | EXRG | EXPIRED SEC. 9 | — |