DIFU
USPTO (United States) · Serial 73619569
- Status
- cancelled
- Status updated
- 11 July 1994
- Filing date
- 11 September 1986
- Registration date
- 5 January 1988
- Nice classification
- 9, 42
- Owner
- DR.-ING. RUDOLF HELL GMBH
- Owner country
- DE
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73619569) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.