DOUBLE-LOOP
USPTO (United States) · Serial 75419446
- Status
- abandoned
- Status updated
- 2 June 1999
- Filing date
- 15 January 1998
- Registration date
- -
- Nice classification
- 42
- Owner
- Gas Research Institute
- Owner country
- US
- Raw status code
- 602
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 75419446) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.