KNOWLEDGE WORKSHOP
USPTO (United States) · Serial 73608282
- Status
- cancelled
- Status updated
- 1 December 2007
- Filing date
- 7 July 1986
- Registration date
- 24 February 1987
- Nice classification
- 42
- Owner
- KNOWLEDGE SYSTEMS INCORPORATED
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73608282) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.