HYDROGEN PRODUCTION CELL
USPTO (United States) · Serial 98735923
- Status
- -
- Status updated
- 2 April 2026
- Filing date
- 5 September 2024
- Registration date
- -
- Nice classification
- 37
- Owner
- ProtonH2 Analytics, Limited
- Owner country
- IE
- Raw status code
- 661
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 98735923) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.