DSI
USPTO (United States) · Serial 73238161
- Status
- cancelled
- Status updated
- 20 July 2002
- Filing date
- 6 November 1979
- Registration date
- 1 September 1981
- Nice classification
- 7, 37, 42
- Owner
- Drillers Service, Inc.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73238161) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.