CHALLENGE PLUS WORKSHOP
USPTO (United States) · Serial 74137362
- Status
- abandoned
- Status updated
- 27 April 1992
- Filing date
- 8 February 1991
- Registration date
- -
- Nice classification
- 9, 16
- Owner
- Synken Inc.
- Owner country
- US
- Raw status code
- 602
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74137362) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.