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US 3,937,471 AGranted
Multiple-board chess game with additional chessmen
OwnerGerald R. Brennaninventor
Life of this patent
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OwnerGerald R. Brennaninventor
Estimating the term…
Two substantially identical standard chessboards are provided in parallel alignment such that the squares on one board are vertically aligned with the squares on the other board. The two boards, conveniently termed upper and lower boards, are sufficiently spaced to permit the placement of chessmen on the lower board. Two sets of conventional chessmen are also provided, along with two sets of additional chessmen, the conventional chessmen and the additional chessmen, under the preferred rules of the game, being initially positioned on opposing boards, and then, in the progress of the game, moving between and on both boards in a predetermined manner to capture chessmen of the opposing player. The upper board is transparent, permitting easy visual inspection of the location of the chessmen on the lower board so that the game may be conveniently played.
A multi-level chess game for three-dimensional play, comprising:
A multi-level chess game for three-dimensional play, comprising:
Dependencies are inferred from the claim text.