MATHLINE
USPTO (United States) · Serial 75168073
- Status
- cancelled
- Status updated
- 1 May 2020
- Filing date
- 17 September 1996
- Registration date
- 16 September 1997
- Nice classification
- 9
- Owner
- PUBLIC BROADCASTING SERVICE
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 75168073) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.