USPTO serial 71215510
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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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No owner is listed on this record.
| Class | Description | Status | First use |
|---|---|---|---|
| 021 | TELEPHONIC SIGNAL RECORDERS FOR RECORDING THROUGH THE MEDIUM OF ELECTRICITY ON A PHONOGRAPH TELEPHONIC SIGNALS, TELEPHONIC-SIGNAL AMPLIFIERS CONSISTING OF COMPLETE UNITS FOR AMPLIFYING BY ELECTRIC POWER TELEPHONIC SIGNALS, THERMIONIC OR ELECTRON TUBES, TRANSFORMERS, LOUD SPEAKERS, TELEPHONE RECEIVERS, SOCKETS, RESISTANCES, RESISTANCE MOUNTINGS, CONDENSERS, SWITCHES, AND PARTS OF THE ABOVE | EXPIRED | Nov 1, 1924 |
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 |
|---|---|---|---|
| Dec 29, 1988 | EXRG | EXPIRED SEC. 9 | — |
| Sep 7, 1966 | REN2 | REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS) | — |