DUO-BLOC
USPTO (United States) · Serial 72255656
- Status
- registered
- Status updated
- 3 November 1992
- Filing date
- 3 October 1966
- Registration date
- 11 June 1968
- Nice classification
- 23
- Owner
- B. THIES K.G., SPEZIALMASCHINENFABRIK
- Owner country
- -
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72255656) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.