SOUND FACTS
USPTO (United States) · Serial 73081850
- Status
- cancelled
- Status updated
- 29 November 1983
- Filing date
- 29 March 1976
- Registration date
- 5 July 1977
- Nice classification
- 16
- Owner
- Donaldson Company, Inc.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73081850) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.