PERSONAL MATH TRAINER
USPTO (United States) · Serial 76712804
- Status
- cancelled
- Status updated
- 2 April 2021
- Filing date
- 9 November 2012
- Registration date
- 26 August 2014
- Nice classification
- 41
- Owner
- Houghton Mifflin Harcourt Publishing Company
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 76712804) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.