SYNTHAPRUFE
USPTO (United States) · Serial 71426734
- Status
- cancelled
- Status updated
- 30 September 2001
- Filing date
- 19 December 1939
- Registration date
- 17 September 1940
- Nice classification
- 12
- Owner
- Powell Duffryn Associated Collieries, Limited
- Owner country
- GB
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71426734) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.