SUB TERRA GROUND HEAT SYSTEMS
USPTO (United States) · Serial 73578487
- Status
- cancelled
- Status updated
- 23 August 1993
- Filing date
- 21 January 1986
- Registration date
- 17 February 1987
- Nice classification
- 11, 37
- Owner
- SUB-TERRA GROUND HEAT SYSTEMS, INC.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73578487) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.