ERTHN
USPTO (United States) · Serial 73210909
- Status
- cancelled
- Status updated
- 25 January 1990
- Filing date
- 9 April 1979
- Registration date
- 13 September 1983
- Nice classification
- 10, 11, 42
- Owner
- Cox Systems Limited
- Owner country
- CA
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73210909) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.