KEYSTONE
USPTO (United States) · Serial 71154635
- Status
- cancelled
- Status updated
- 28 December 2002
- Filing date
- 27 October 1921
- Registration date
- 21 March 1922
- Nice classification
- 37
- Owner
- Blaisdell Pencil Company
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71154635) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.