PROTEK-SORB
USPTO (United States) · Serial 71451965
- Status
- registered
- Status updated
- 10 August 2023
- Filing date
- 28 March 1942
- Registration date
- 25 August 1942
- Nice classification
- 6
- Owner
- W. R. Grace & Co.
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71451965) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.