NITRIVER
USPTO (United States) · Serial 72129594
- Status
- registered
- Status updated
- 8 August 2023
- Filing date
- 10 October 1961
- Registration date
- 22 January 1963
- Nice classification
- 6
- Owner
- Hach Chemical Company
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72129594) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.