CARVER-GREENFIELD PROCESS
USPTO (United States) · Serial 72257589
- Status
- registered
- Status updated
- 27 December 2008
- Filing date
- 31 October 1966
- Registration date
- 19 March 1968
- Nice classification
- 23
- Owner
- HANOVER RESEARCH CORPORATION
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72257589) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.