DUMORE

USPTO (United States) · Serial 72020529

Status
registered
Status updated
20 September 2017
Filing date
6 December 1956
Registration date
8 April 1958
Nice classification
23
Owner
CHAMPIONX LLC
Owner country
US
Raw status code
800

As filed by US

Authoritative source

The official US trademark record is at USPTO TSDR (serial 72020529) ↗. Where our data differs from the USPTO record, theirs is correct.

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