KEYSTONE TRADING CO
USPTO (United States) · Serial 74031997
- Status
- abandoned
- Status updated
- 14 March 1991
- Filing date
- 20 February 1990
- Registration date
- -
- Nice classification
- 42
- Owner
- Ralston Purina Company
- Owner country
- US
- Raw status code
- 601
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74031997) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.