SULFATREAT
USPTO (United States) · Serial 74037662
- Status
- cancelled
- Status updated
- 22 October 2021
- Filing date
- 12 March 1990
- Registration date
- 15 January 1991
- Nice classification
- 1
- Owner
- M-I L.L.C.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74037662) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.