Mathematical game

Amusement devices: games – Card or tile games – cards or tiles therefor

Reexamination Certificate

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Reexamination Certificate

active

07083169

ABSTRACT:
A game is provided that includes a plurality of sets of tiles or cards or an electronic version thereof, where each tile or card contains a number, a letter of an alphabet, or a mathematical symbol or a symbol that can be used in a mathematical equation. Also provided is a method of playing this game by each player taking turns to lay down equations and a method of making the game set.

REFERENCES:
patent: D300231 (1989-03-01), Hertzano
patent: 5016889 (1991-05-01), Moss et al.
patent: 5314190 (1994-05-01), Lyons
patent: 5478087 (1995-12-01), Dumisani
patent: 5799943 (1998-09-01), Morgan
patent: 5820125 (1998-10-01), Olsen
patent: 5963371 (1999-10-01), Needham et al.
patent: 6003869 (1999-12-01), Kuo
patent: 6343790 (2002-02-01), Rhemm
patent: 6402144 (2002-06-01), Ekberg
patent: 6581937 (2003-06-01), Crisswell
patent: 6695618 (2004-02-01), Donn
patent: 6705614 (2004-03-01), Kyle
patent: 6824136 (2004-11-01), Koopman
patent: 6905122 (2005-06-01), Weigl et al.
Rummikub game, available in stores such as ToysRUs. A copy of the package insert is attached.

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