PRUFREX
USPTO (United States) · Serial 73142863
- Status
- registered
- Status updated
- 5 September 2018
- Filing date
- 28 September 1977
- Registration date
- 2 January 1979
- Nice classification
- 7, 9, 11
- Owner
- MUELLER, HELGA
- Owner country
- DE
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73142863) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.