DUOFORM
USPTO (United States) · Serial 72335892
- Status
- registered
- Status updated
- 1 March 1993
- Filing date
- 21 August 1969
- Registration date
- 23 May 1972
- Nice classification
- 14
- Owner
- NATIONAL-STANDARD COMPANY
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72335892) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.