DUCLEAN
USPTO (United States) · Serial 71276604
- Status
- registered
- Status updated
- 3 November 1992
- Filing date
- 12 December 1928
- Registration date
- 9 July 1929
- Nice classification
- 6
- Owner
- E.I. DU PONT DE NEMOURS AND COMPANY
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71276604) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.