KELLER
USPTO (United States) · Serial 71604591
- Status
- registered
- Status updated
- 22 February 1993
- Filing date
- 7 October 1950
- Registration date
- 20 May 1952
- Nice classification
- 23
- Owner
- NILES-BEMENT-POND COMPANY
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71604591) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.