POLYTHERM
USPTO (United States) · Serial 73689657
- Status
- cancelled
- Status updated
- 17 April 2010
- Filing date
- 9 October 1987
- Registration date
- 12 September 1989
- Nice classification
- 20
- Owner
- TETKO, INC.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73689657) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.