PORTA-STAIR
USPTO (United States) · Serial 73296441
- Status
- cancelled
- Status updated
- 30 July 1988
- Filing date
- 9 February 1981
- Registration date
- 29 December 1981
- Nice classification
- 19
- Owner
- Tichgelaar; Fred
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73296441) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.