Cancelled & expired registration
W
Registration expired per USPTO on Nov 3, 1992
Status may changeReady for a second act? Here's what the USPTO record shows.
- USPTO status
- Registration expired per USPTO on Nov 3, 1992 · code 900 (Expired)
- Registration date
- May 22, 1951
- Filing date
- Jan 24, 1950
- Registration no.
- 542714
- Serial no.
- 71591389
- Goods & services
- 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
- Owner as listed with the USPTO
- WEBSTER ELECTRIC COMPANY
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