GRAND MASTER
USPTO (United States) · Serial 73084875
- Status
- cancelled
- Status updated
- 11 March 2016
- Filing date
- 23 April 1976
- Registration date
- 4 August 1981
- Nice classification
- 9
- Owner
- Ampex Corporation
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73084875) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.