HYCALOG
USPTO (United States) · Serial 74203335
- Status
- cancelled
- Status updated
- 29 January 2016
- Filing date
- 13 September 1991
- Registration date
- 1 September 1992
- Nice classification
- 7
- Owner
- CAMCO INTERNATIONAL INC.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74203335) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.