DUO-FLEX
USPTO (United States) · Serial 71494880
- Status
- registered
- Status updated
- 5 January 1989
- Filing date
- 11 January 1946
- Registration date
- 25 February 1947
- Nice classification
- 12
- Owner
- LACLEDE-CHRISTY CLAY PRODUCTS COMPANY
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71494880) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.