PROTOSOL
USPTO (United States) · Serial 72037240
- Status
- registered
- Status updated
- 11 May 1999
- Filing date
- 16 September 1957
- Registration date
- 5 August 1958
- Nice classification
- -
- Owner
- DIRIGO CORPORATION
- Owner country
- -
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72037240) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.