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Expired Canadian patentCanada

Obstacle game

CA 1113974 A · Owner: Mattel Inc. · Inventors: Chang, Richard S.; Klose, George J.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A novel game is disclosed featuring a playing field having at least three lanes and divided into at least six rungs. A game-piece representing the player may be positioned in any one of the three lanes and is free to move in a first direction from one rung to the next randomly generated obstacles advance in the opposite direction from rung to rung; the object of the game is for the player to avoid collision with the obstacle or obstacles. In one embodiment the game simulates an automobile race course wherein the player's playing piece represents an automobile in motion and the obstacles represent competitor's cars being passed in which case the object of the game, is to pass a predetermined …

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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 December 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 8, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 3, 1980
GrantedDecember 8, 1981
Term endedDecember 8, 1998
Patent numberCA 1113974 A
Classification (IPC)A63F7/00

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Application filedDec 3, 1980Patent grantedDec 8, 1981Term endedDec 8, 1998

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.