MICROPORE
USPTO (United States) · Serial 73151298
- Status
- cancelled
- Status updated
- 30 December 1987
- Filing date
- 8 December 1977
- Registration date
- 23 June 1981
- Nice classification
- 25
- Owner
- Minnesota Mining and Manufacturing Company
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73151298) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.