USPTO serial 72160430
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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 |
|---|---|---|---|
| 026 | GEOPHYSICAL APPARATUS-NAMELY, HYDROPHONES, SEISMOMETERS, GALVANOMETERS, OSCILLOGRAPHS, PHOTOGRAPHIC DEVELOPMENT UNITS, ELECTRONIC TESTING INSTRUMENTS, CALIBRATED INSTRUMENTS TO SIMULATE LABORATORY CONDITIONS FOR LABORATORY MEASUREMENTS, AND METAL HOUSINGS, CASINGS, AND RACKS ADAPTED FOR USE WITH THE AFOREMENTIONED INSTRUMENTS, PHOTOELECTRIC SORTING MACHINES, AND WELL LOGGING EQUIPMENT-NAMELY, GAMMA AND NEUTRON RAY LOGGERS, DRY WALL PROBES, ELECTRICAL LOGGING PROBES, RESISTIVITY PROBES, SELF-POTENTIAL PROBES, SONIC PROBES, BORE HOLE CALIPERS, AND DOWNHOLE RECORDERS | EXPIRED | Dec 21, 1962 |
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 |
|---|---|---|---|
| May 12, 1988 | EXRG | EXPIRED SEC. 9 | — |