DUODAN
USPTO (United States) · Serial 73077487
- Status
- registered
- Status updated
- 22 August 2008
- Filing date
- 17 February 1976
- Registration date
- 15 November 1977
- Nice classification
- 7
- Owner
- F. L. SMIDTH & CO. A/S
- Owner country
- DK
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73077487) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.