PERF-LOCK
USPTO (United States) · Serial 73306187
- Status
- cancelled
- Status updated
- 26 October 2002
- Filing date
- 13 April 1981
- Registration date
- 19 January 1982
- Nice classification
- 10
- Owner
- DENTSPLY REASEARCH & DEVELOPMENT CORP.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73306187) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.