PORTAWELD
USPTO (United States) · Serial 71602161
- Status
- registered
- Status updated
- 3 November 1992
- Filing date
- 14 August 1950
- Registration date
- 4 December 1951
- Nice classification
- 21
- Owner
- D. W. ONAN & SONS, INC.
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71602161) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.