SAMPCLAMP
USPTO (United States) · Serial 73249293
- Status
- cancelled
- Status updated
- 8 March 1988
- Filing date
- 7 February 1980
- Registration date
- 1 September 1981
- Nice classification
- 20
- Owner
- Donaldson Display Company Inc.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73249293) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.