BIO-GRAIN
USPTO (United States) · Serial 73198573
- Status
- cancelled
- Status updated
- 28 September 1990
- Filing date
- 21 December 1978
- Registration date
- 1 November 1983
- Nice classification
- 30
- Owner
- Bioforce Canada Ltd.
- Owner country
- CA
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73198573) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.