USPTO serial 72128189
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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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SOUTH PASADENA, CA
| Class | Description | Status | First use |
|---|---|---|---|
| 026 | ELECTRICAL COMPONENTS INCLUDING STRAIN GAGES, CALIBRATION INSTRUMENTS , ELECTRICAL INSTRUMENTS FOR BALANCING ELECTRICAL BRIDGES, TELEMETRY EQUIPMENT, FREQUENCY CONVERTERS, TEST OSCILLATORS FOR PRODUCING LABORATORY TEST SIGNALS, VOLTAGE BREAKDOWN TESTERS, AND FORCE MEASURING TRANSDUCERS | EXPIRED | Jul 7, 1961 |
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 |
|---|---|---|---|
| Feb 10, 1988 | EXRG | EXPIRED SEC. 9 | — |
| Feb 19, 1983 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |