CARBO-HYDROGEN
USPTO (United States) · Serial 71090969
- Status
- registered
- Status updated
- 20 October 1997
- Filing date
- 27 November 1915
- Registration date
- 16 January 1917
- Nice classification
- 6
- Owner
- CHEMETRON CORPORATION
- Owner country
- -
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71090969) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.