Expired Canadian patentCanada
Game board apparatus
CA 1203553 A · Owner: Fields, Francis H. · Inventors: Fields, Francis H.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Game apparatus, comprising a game board having a playing surface upon which is inscribed indicia forming a plurality of equi-dimensional contiguous hexagons, and two sets of game pieces for, playing the ancient board game GO.
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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 April 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 22, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 12, 1983
GrantedApril 22, 1986
Term endedApril 22, 2003
Patent numberCA 1203553 A
Classification (IPC)A63F3/00 +2 more
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.