POROSPECT
USPTO (United States) · Serial 75342001
- Status
- cancelled
- Status updated
- 30 December 2006
- Filing date
- 16 August 1997
- Registration date
- 28 March 2000
- Nice classification
- 42
- Owner
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 75342001) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.