HYDROGEL
USPTO (United States) · Serial 74309871
- Status
- registered
- Status updated
- 20 February 2013
- Filing date
- 28 August 1992
- Registration date
- 23 November 1993
- Nice classification
- 1
- Owner
- Polytek Development Corporation
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74309871) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.