DRILLING & SERVICE
USPTO (United States) · Serial 73610409
- Status
- cancelled
- Status updated
- 28 November 1994
- Filing date
- 21 July 1986
- Registration date
- 24 May 1988
- Nice classification
- 7
- Owner
- NL INDUSTRIES, INC.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73610409) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.