CUNO
USPTO (United States) · Serial 72391508
- Status
- registered
- Status updated
- 22 December 2022
- Filing date
- 10 May 1971
- Registration date
- 16 January 1973
- Nice classification
- 31
- Owner
- 3M COMPANY
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72391508) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.