DUO-RAIL
USPTO (United States) · Serial 73193603
- Status
- cancelled
- Status updated
- 27 October 2001
- Filing date
- 17 November 1978
- Registration date
- 21 October 1980
- Nice classification
- 6
- Owner
- BUILDEX INCORPORATED
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73193603) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.