BIO-SILICON
USPTO (United States) · Serial 73214036
- Status
- cancelled
- Status updated
- 18 December 1986
- Filing date
- 3 May 1979
- Registration date
- 29 July 1980
- Nice classification
- 5
- Owner
- DE SILVA ENTERPRISES. INC.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73214036) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.