CARBOFRAX
USPTO (United States) · Serial 71284046
- Status
- registered
- Status updated
- 3 November 1992
- Filing date
- 15 May 1929
- Registration date
- 18 February 1930
- Nice classification
- 34
- Owner
- CARBORUNDUM COMPANY, THE
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71284046) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.