LEARNING TECHNIQUES
USPTO (United States) · Serial 73827992
- Status
- cancelled
- Status updated
- 22 October 2021
- Filing date
- 27 September 1989
- Registration date
- 25 September 1990
- Nice classification
- 16
- Owner
- FELDMAN, RICHARD
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73827992) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.