Board game with multi-functional pieces
CA 2482888 A1 · Owner: Ochre Holdings Inc. · Inventors: Blake, Russell; Blake, Karla
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A board game permitting from one to thirty-five players includes a plurality of square playing tiles (2201-2204) in an opaque bag and a square board , (2200) on which the tiles are placed. Each tile is simultaneously an element in four distinct bi-directionally infinite arithmetic series. A player moves by placing a tile onto the board. There are nine distinct tile front surface patterns. In the preferred embodiment the pattern imprinted on the board is a macroscopic image of these nine tiles, and its mirror image is imprinted on the back surface of the tiles. In order to be played the marking on the back , surface of a tile must match the markings on the square on the board on which …
Read the whole patent
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
- Filed May 1, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 1, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 1, 2024.
- 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.