Chess game for three people
Patent 3963242 Issued on June 15, 1976. Estimated Expiration Date: 
June 15, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 15, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3341205 3533627 3652091 3778065 3836149 InventorsAssigneeApplicationNo. 548870 filed on 02/10/1975US Classes:273/261Nonrectangular or extended patternExaminersPrimary: Lowe, Delbert B.Attorney, Agent or FirmInternational ClassA63F 3/02 (20060101)Foreign Application Priority Data1974-02-11 DTAbstractA chess game is provided having a hexagonal board having alternate sides constituting bases for respective of three participants. Polygonal fields are provided on the board in the form of triangles, quadrilaterals or hexagons. These fields extend between the three bases and occupy at least substantially all of the board. Three like sets of men correspond to the bases, and include a king, queen, two bishops, two castles, two knights, a plurality of pawns and a cardinal, which is still movable after the corresponding king is checkmated. There may be provided an extra pawn in each set, and there may also be provided an identifying field or ring to place under or encircle a checkmated king. The cardinal and queen are entitled to similar moves. The cardinal may not conquer men from sets of other participants. The cardinal has social-political characteristics, and it is arranged that this man can be conquered only under difficult circumstances or not at all. It has the quality of political fight without the use of force. | |
