CIRTRAK

USPTO (United States) · Serial 73449244

Status
cancelled
Status updated
21 February 1991
Filing date
24 October 1983
Registration date
16 October 1984
Nice classification
7
Owner
E. I. Du Pont de Nemours and Company
Owner country
US
Raw status code
710

As filed by US

Authoritative source

The official US trademark record is at USPTO TSDR (serial 73449244) ↗. Where our data differs from the USPTO record, theirs is correct.

See methodology for refresh cadence + status normalisation. See sources for licensing.