HECLA
USPTO (United States) · Serial 71255363
- Status
- registered
- Status updated
- 21 March 2018
- Filing date
- 28 September 1927
- Registration date
- 7 February 1928
- Nice classification
- 15
- Owner
- VACUUM OIL COMPANY
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71255363) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.