HEMANTIGEN
USPTO (United States) · Serial 72046554
- Status
- cancelled
- Status updated
- 12 January 2002
- Filing date
- 25 February 1958
- Registration date
- 3 January 1961
- Nice classification
- 6
- Owner
- KNICKERBOCKER BIOLOGICALS, INC.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72046554) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.