CARBORUNDUM
USPTO (United States) · Serial 71248754
- Status
- registered
- Status updated
- 3 November 1992
- Filing date
- 10 May 1927
- Registration date
- 21 August 1928
- Nice classification
- 4
- Owner
- -
- Owner country
- -
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71248754) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.