DUO-CHEK
USPTO (United States) · Serial 72392377
- Status
- registered
- Status updated
- 23 April 2022
- Filing date
- 18 May 1971
- Registration date
- 1 February 1972
- Nice classification
- 26
- Owner
- Reichert, Inc.
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72392377) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.