OPTHAMEND
USPTO (United States) · Serial 74200422
- Status
- cancelled
- Status updated
- 9 August 2000
- Filing date
- 3 September 1991
- Registration date
- 4 May 1993
- Nice classification
- 10
- Owner
- DEKNATEL, INC.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74200422) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.