PLC-1
USPTO (United States) · Serial 73354343
- Status
- cancelled
- Status updated
- 18 May 1990
- Filing date
- 12 March 1982
- Registration date
- 24 January 1984
- Nice classification
- 9
- Owner
- Northern Telecom Limited
- Owner country
- CA
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73354343) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.