USPTO serial 72097406
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 |
|---|---|---|---|
| 026 | AMMETER, MEASURING TRANSFORMER, PRECISION RESISTOR FOR MEASURING PURPOSES, VOLTMETER, FREQUENCY METER, WATTMETER, POWER FACTOR METER, MULTIMETER, OHMMETER, BRIDGE INSULATION AND EARTH TESTER, CABLE TRACER, LINE RECORDER, CHOPPER BAR RECORDER, POTENTIOMETRIC RECORDER, CONTROLLER, COMPENSATOR, TELEMETERING CONVERTER, D. C. TO D. C. CONVERTER, ILLUMINATION METER, PHOTO-ELECTRIC EXPOSURE METER | EXPIRED | Aug 1, 1938 |
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 |
|---|---|---|---|
| Sep 3, 1987 | EXRG | EXPIRED SEC. 9 | — |