THE ART OF PROBLEM SOLVING
USPTO (United States) · Serial 78819867
- Status
- abandoned
- Status updated
- 10 April 2007
- Filing date
- 21 February 2006
- Registration date
- -
- Nice classification
- 16
- Owner
- AOPS Incorporated
- Owner country
- US
- Raw status code
- 602
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 78819867) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.