DUAL-FLOW
USPTO (United States) · Serial 72221116
- Status
- registered
- Status updated
- 18 August 2007
- Filing date
- 14 June 1965
- Registration date
- 15 November 1966
- Nice classification
- 34
- Owner
- THERMAL DYNAMICS CORPORATION
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72221116) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.