HYDRO-TREATOR
USPTO (United States) · Serial 71448821
- Status
- cancelled
- Status updated
- 2 May 2016
- Filing date
- 22 November 1941
- Registration date
- 2 June 1942
- Nice classification
- 23
- Owner
- DORR COMPANY, INC., THE
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71448821) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.