THINKCULATOR
USPTO (United States) · Serial 74198640
- Status
- cancelled
- Status updated
- 11 May 1999
- Filing date
- 27 August 1991
- Registration date
- 3 November 1992
- Nice classification
- 9
- Owner
- WS & T WORLD SCIENCE AND TECHNOLOGY CORPORATION
- Owner country
- CA
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74198640) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.