CRITICAL MATH
USPTO (United States) · Serial 77820916
- Status
- cancelled
- Status updated
- 2 February 2018
- Filing date
- 4 September 2009
- Registration date
- 28 June 2011
- Nice classification
- 41
- Owner
- Key Curriculum Press, Inc.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 77820916) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.