KEYSTONE
USPTO (United States) · Serial 71627720
- Status
- registered
- Status updated
- 29 July 1987
- Filing date
- 7 April 1952
- Registration date
- 18 August 1953
- Nice classification
- 14
- Owner
- UNITED STATES STEEL COMPANY
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71627720) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.