THE HALLIBURTON LIBRARY
USPTO (United States) · Serial 74175166
- Status
- cancelled
- Status updated
- 8 June 1999
- Filing date
- 11 June 1991
- Registration date
- 1 December 1992
- Nice classification
- 9, 16
- Owner
- Sierra Geophysics, Inc.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74175166) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.