Three level game board
CA 1291776 C · Owner: Olfman, Shawn David · Inventors: Olfman, Jerry Alan; Olfman, Shawn David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A three level game board made up of a lowermost level a middle level, and an uppermost level. The playing area of the lowermost level is made up of four stepped pyramidal shaped component playing areas each of which lies entirely outboard of the playing areas of the other two levels. The playing area of the middle level is substantially square shaped and centrally located entirely within the four component playing areas of the lowermost level. The playing area of the uppermost level is in the shape of a square that has had a stepped pyramidal shaped portion taken centrally out of each of its sides such that a stepped pyramidal shaped recess is left centrally located in each of its sides and …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted November 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.