HYDRON
USPTO (United States) · Serial 73379997
- Status
- cancelled
- Status updated
- 20 January 1995
- Filing date
- 16 August 1982
- Registration date
- 27 March 1984
- Nice classification
- 5
- Owner
- National Patent Development Corporation
- Owner country
- US
- Raw status code
- 711
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73379997) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.