USPTO serial 72214060
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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 | ELECTRICAL APPARATUS-NAMELY, RADIO RECEIVERS, SERVO-RESOLVERS, ELECTRONIC SERVOS, ELECTRICAL POWER SUPPLIES, INVERTERS, FREQUENCY SYNTHESIZERS, ANTENNAS, AND ANTENNA TUNING EQUIPMENT | EXPIRED | Sep 10, 1964 |
| 026 | MEASURING AND SCIENTIFIC APPLIANCES-NAMELY, PHASE TRACKING RECEIVERS, FREQUENCY DIFFERENCE METERS, OSCILLATORS, OSCILLATOR CIRCUITS, OSCILLATOR AND PHASE COMPARATOR CIRCUITS, ELECTRICAL ENERGY DISCRIMINATORS, ELECTRICAL COUNTERS, MAGNETIC COUNTERS, AND FREQUENCY DIVIDERS, AND CALIBRATIONAL, STANDARDIZATIONAL AND NAVIGATIONAL INSTRUMENTS INVOLVING SUCH COMPONENTS | ACTIVE | Sep 10, 1964 |
| 027 | HOROLOGICAL INSTRUMENTS-NAMELY, FREQUENCY STANDARDS, CLOCKS, FREQUENCY RESONATORS, TUNING FORK RESONATORS, AND TIMEKEEPING INSTRUMENTS INVOLVING SUCH COMPONENTS | ACTIVE | Sep 10, 1964 |
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 |
|---|---|---|---|
| Jul 4, 1987 | EXRG | EXPIRED SEC. 9 | — |