USPTO serial 72228851
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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 | COMMUNICATIONS EQUIPMENT AND PARTS THEREOF-NAMELY, RADIO FREQUENCY ENERGY SOURCES, HIGH FREQUENCY GENERATORS, HARMONIC GENERATORS, AMPLIFIERS, FREQUENCY DOUBLERS, MODULATORS, TELEMETRY TRANSMITTERS, RADIO TRANSMITTER-RECEIVER SYSTEMS, RADIO RECEIVER HEADS, AND PARTS THEREFOR | EXPIRED | Nov 3, 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 21, 1987 | EXRG | EXPIRED SEC. 9 | — |