AR AMPLIFIER RESEARCH
USPTO (United States) · Serial 72444572
- Status
- cancelled
- Status updated
- 16 March 2020
- Filing date
- 26 December 1972
- Registration date
- 11 February 1975
- Nice classification
- 21
- Owner
- AMPLIFIER RESEARCH CORPORATION
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72444572) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.