Games using tangible projectile – Playing field or court game; game element or accessory... – Having at least two different types of game elements used in...
Patent
1998-10-15
2000-08-22
Graham, Mark S.
Games using tangible projectile
Playing field or court game; game element or accessory...
Having at least two different types of game elements used in...
473468, 473567, 473454, A63B 6700
Patent
active
061064165
ABSTRACT:
A sponge ball game system including a playing field with a plate having a front edge and parallel side edges and angled rear edges. The playing field includes linear foul lines with arcuate lines therebetween. The arcuate lines include a pitching/base hit line, a double line and a home run line. The field also has two rectangular batting boxes on opposite sides of the plate.
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patent: 3923304 (1975-12-01), Warren
patent: 4343467 (1982-08-01), Newcomb et al.
patent: 4546976 (1985-10-01), Jones
patent: 4705273 (1987-11-01), Ament et al.
patent: 4781385 (1988-11-01), Harley
patent: 5562289 (1996-10-01), McAllister
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