DUOSTONE
USPTO (United States) · Serial 73623661
- Status
- registered
- Status updated
- 2 February 2008
- Filing date
- 2 October 1986
- Registration date
- 28 April 1987
- Nice classification
- 16
- Owner
- WILLINGER BROS., INC.
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73623661) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.