SULFOCHEM
USPTO (United States) · Serial 74223337
- Status
- registered
- Status updated
- 6 April 2023
- Filing date
- 19 November 1991
- Registration date
- 13 October 1992
- Nice classification
- 1
- Owner
- Chemron Corporation
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74223337) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.