MATHKEYS
USPTO (United States) · Serial 74435396
- Status
- cancelled
- Status updated
- 24 December 2005
- Filing date
- 10 September 1993
- Registration date
- 21 March 1995
- Nice classification
- 9
- Owner
- Minnesota Educational Computing Corporation (MECC)
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74435396) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.