SPO
USPTO (United States) · Serial 71509963
- Status
- cancelled
- Status updated
- 21 August 2009
- Filing date
- 28 September 1946
- Registration date
- 12 October 1948
- Nice classification
- 23
- Owner
- COMBUSTION ENGINEERING, INC.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71509963) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.