MATHHELPS
USPTO (United States) · Serial 76537800
- Status
- cancelled
- Status updated
- 29 April 2011
- Filing date
- 15 August 2003
- Registration date
- 28 September 2004
- Nice classification
- 28
- Owner
- Strawderman, Virginia W.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 76537800) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.