PORTOVISTA

USPTO (United States) · Serial 73403737

Status
cancelled
Status updated
8 February 1991
Filing date
23 November 1982
Registration date
18 September 1984
Nice classification
30
Owner
American Home Products Corporation
Owner country
US
Raw status code
710

As filed by US

Authoritative source

The official US trademark record is at USPTO TSDR (serial 73403737) ↗. Where our data differs from the USPTO record, theirs is correct.

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