KEEP QUIET
USPTO (United States) · Serial 73035979
- Status
- registered
- Status updated
- 29 December 1997
- Filing date
- 31 October 1974
- Registration date
- 22 March 1977
- Nice classification
- 28
- Owner
- KOPP, WARREN
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73035979) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.