PROTIFERON
USPTO (United States) · Serial 73453048
- Status
- cancelled
- Status updated
- 28 August 1991
- Filing date
- 16 November 1983
- Registration date
- 19 March 1985
- Nice classification
- 5
- Owner
- Robapharm AG
- Owner country
- CH
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73453048) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.