QUANTUM LEARNING
USPTO (United States) · Serial 73754690
- Status
- cancelled
- Status updated
- 11 October 1996
- Filing date
- 29 September 1988
- Registration date
- 17 April 1990
- Nice classification
- 41
- Owner
- SKINNER, DAVID C.
- Owner country
- US
- Raw status code
- 713
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73754690) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.