DUOFORTE
USPTO (United States) · Serial 74174635
- Status
- abandoned
- Status updated
- 9 April 1993
- Filing date
- 10 June 1991
- Registration date
- -
- Nice classification
- 5
- Owner
- Schering-Plough HealthCare Products, Inc.
- Owner country
- US
- Raw status code
- 601
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74174635) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.