CWB CANADIAN WELDING BUREAU
USPTO (United States) · Serial 73448181
- Status
- cancelled
- Status updated
- 11 October 1991
- Filing date
- 17 October 1983
- Registration date
- 23 April 1985
- Nice classification
- 42
- Owner
- Canadian Standards Association
- Owner country
- CA
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73448181) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.