QX
USPTO (United States) · Serial 72010581
- Status
- registered
- Status updated
- 2 June 1998
- Filing date
- 20 June 1956
- Registration date
- 27 August 1957
- Nice classification
- 12
- Owner
- CANADIAN REFRACTORIES LIMITED
- Owner country
- CA
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72010581) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.