USPTO serial 72382241
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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 | TRANSMITTING MODULES FOR CONVERTING VARIABLE VOLTAGE TO MODULATED AUDIO SIGNALS FOR TRANSMISSION OVER TELEPHONE LINES AND RECEIVING MODULES FOR CONVERTING AUDIO SIGNALS BACK TO VARIABLE VOLTAGE OR TO CODED PULSES | EXPIRED | Oct 1, 1970 |
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 |
|---|---|---|---|
| Jan 13, 1994 | EXRG | EXPIRED SEC. 9 | — |
| Jul 13, 1993 | PRA9 | POST REGISTRATION ACTION MAILED - SEC. 9 | — |
| Mar 8, 1993 | 9.AF | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | — |