USPTO serial 71358158
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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 |
|---|---|---|---|
| 044 | HEARING-AID DEVICES AND ACOUSTIC ELEMENTS AND ACCESSORIES THEREOF, SUCH AS SOUND TRANSMITTERS, TELEPHONE RECEIVERS, HEARING-INDUCING BONE OSCILLATORS AND ELECTRIC SOUND AMPLIFIERS | EXPIRED | Sep 20, 1929 |
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 20, 1996 | EXRG | EXPIRED SEC. 9 | — |
| Aug 13, 1975 | REN2 | REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS) | — |