SPF
USPTO (United States) · Serial 73295461
- Status
- cancelled
- Status updated
- 23 November 2002
- Filing date
- 2 February 1981
- Registration date
- 16 February 1982
- Nice classification
- 2
- Owner
- Nalco Chemical Company
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73295461) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.