OPTRAN
USPTO (United States) · Serial 72211986
- Status
- registered
- Status updated
- 23 February 1986
- Filing date
- 15 February 1965
- Registration date
- 23 November 1965
- Nice classification
- 6
- Owner
- BDH Chemicals Limited
- Owner country
- -
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72211986) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.