O-PERM
USPTO (United States) · Serial 74426229
- Status
- cancelled
- Status updated
- 14 January 2016
- Filing date
- 19 August 1993
- Registration date
- 26 July 1994
- Nice classification
- 9
- Owner
- OPTICAL POLYMER RESEARCH, INC.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74426229) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.