USPTO serial 72310216
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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 |
|---|---|---|---|
| 100 | WELL LOGGING AND SURVEYING, WIRELINE SERVICES INCLUDING THE INSTALLATION OF PLUGS, PACKERS AND RINGS AND THE OPERATION OF SWABS, DUMP BAILERS AND JUNK BAILERS TO CONTROL AND IMPROVE THE OPERATION OF WELLS, RADIOACTIVITY SURVEYS, TEMPERATURE SURVEYS AND EVALUATION OF EARTH FORMATIONS | EXPIRED | Jul 1, 1968 |
| 103 | WELL PERFORATING SERVICES | EXPIRED | Jul 1, 1968 |
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 |
|---|---|---|---|
| Nov 30, 1992 | EXRG | EXPIRED SEC. 9 | — |
| May 1, 1978 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |