DEL-AIR EXCHANGER
USPTO (United States) · Serial 73380904
- Status
- cancelled
- Status updated
- 4 December 2004
- Filing date
- 20 August 1982
- Registration date
- 28 February 1984
- Nice classification
- 11
- Owner
- Del-Air Systems Ltd.
- Owner country
- CA
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73380904) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.