USPTO serial 71591757
Reviewed by CopyMark Law Group
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 | AUDIO FREQUENCY AMPLIFIERS COMPRISING ASSEMBLED UNITS FOR AMPLIFYING ELECTRIC SIGNALS AND INCLUDING AUDIO FREQUENCY TRANSFORMERS, POWER TRANSFORMERS, AND CHOKE COILS; HIGH VOLTAGE IGNITION TRANSFORMERS; INTERCOMMUNICATING SOUND AMPLIFYING AND TRANSMITTING SYSTEMS AND PARTS THEREOF COMPRISING SPEAKERS, AMPLIFIERS, MICROPHONES, INTERCONNECTING CIRCUITS, AND ENERGIZING DEVICES WHEREBY CONVERSATION AT SPACED POINTS MAY BE HEARD AT SUCH SPACED POINTS; SOUND PRODUCTION EQUIPMENT COMPRISING A SUITABLE HOUSING AND ELECTRIC AMPLIFIER, ONE OR MORE ELECTRIC LOUD SPEAKERS, AN ELECTRIC PHONOGRAPH INCLUDING DRIVE MEANS, TURN TABLE AND PICK-UP, A MICROPHONE AND SUITABLE CONTROLLING DEVICES WHEREBY MUSIC OR OTHER SOUND MAY BE REPRODUCED AND/OR AMPLIFIED; ONE WAY SOUND DISTRIBUTION SYSTEMS | EXPIRED | — |
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 3, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Apr 24, 1971 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |