D NATIONAL AIR DUCT MAINTENANCE CORP. STOP AIR POLLUTION WHERE MOST PEOPLE BREATHE IT. INDOORS!
USPTO (United States) · Serial 74196813
- Status
- cancelled
- Status updated
- 22 February 1999
- Filing date
- 21 August 1991
- Registration date
- 18 August 1992
- Nice classification
- 37
- Owner
- National Air Duct Maintenance Corp.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74196813) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.