DURALIFE
USPTO (United States) · Serial 72005604
- Status
- registered
- Status updated
- 25 August 1997
- Filing date
- 2 April 1956
- Registration date
- 20 November 1956
- Nice classification
- 31
- Owner
- DONALDSON COMPANY, INC.
- Owner country
- -
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72005604) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.