PETROLEUM ABSTRACTS
USPTO (United States) · Serial 74352297
- Status
- registered
- Status updated
- 9 January 2024
- Filing date
- 25 January 1993
- Registration date
- 25 January 1994
- Nice classification
- 16, 35, 39
- Owner
- University of Tulsa, The
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74352297) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.