SIERRA-LOK
USPTO (United States) · Serial 72090787
- Status
- registered
- Status updated
- 13 August 1987
- Filing date
- 11 February 1960
- Registration date
- 3 July 1962
- Nice classification
- 21
- Owner
- SIERRA ELECTRIC CORPORATION
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72090787) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.