PROSTIGMIN
USPTO (United States) · Serial 71490946
- Status
- cancelled
- Status updated
- 16 March 2020
- Filing date
- 2 November 1945
- Registration date
- 4 June 1946
- Nice classification
- 18
- Owner
- HOFFMANN-LA ROCHE INC.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71490946) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.