ENERGY RATING +
USPTO (United States) · Serial 73521641
- Status
- abandoned
- Status updated
- 30 October 1985
- Filing date
- 11 February 1985
- Registration date
- -
- Nice classification
- 37
- Owner
- WESTERN RESOURCES INSTITUTE
- Owner country
- US
- Raw status code
- 602
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73521641) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.