CARBORUNDUM
USPTO (United States) · Serial 71282020
- Status
- cancelled
- Status updated
- 20 June 2021
- Filing date
- 8 April 1929
- Registration date
- 21 October 1930
- Nice classification
- 12
- Owner
- Saint-Gobain Advanced Ceramics Corporation
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71282020) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.