B.H. 4
USPTO (United States) · Serial 71473133
- Status
- registered
- Status updated
- 24 March 1986
- Filing date
- 9 August 1944
- Registration date
- 27 February 1945
- Nice classification
- 4
- Owner
- TRIO CHEMICAL WORKS
- Owner country
- -
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71473133) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.