USPTO serial 72227166
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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 | AUDIO FREQUENCY AND RADIO FREQUENCY SIGNAL GENERATORS, SINE WAVE AND SQUARE WAVE GENERATORS FOR LABORATORY AND TEST USAGE, TEST OSCILLATORS, SIGNAL TRACERS, CAPACITOR SUBSTITUTION BOXES, RESISTOR SUBSTITUTION BOXES, VARIABLE D.C. POWER SUPPLIES FOR LABORATORY AND TEST USAGE, FIELD STRENGTH METERS, VERNIER DIALS, TRANSCEIVER TEST UNITS, TRANSISTOR TEST UNITS, BATTERY TEST UNITS, CAPACITOR TEST UNITS, AND ELECTRONIC EDUCATIONAL KITS | EXPIRED | Aug 15, 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 |
|---|---|---|---|
| Nov 4, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Feb 6, 1978 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |