HPF
USPTO (United States) · Serial 75476548
- Status
- cancelled
- Status updated
- 19 August 2006
- Filing date
- 29 April 1998
- Registration date
- 16 November 1999
- Nice classification
- 5
- Owner
- Engelhard Corporation
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 75476548) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.