Games using tangible projectile – Projectile – per se; part thereof or accessory therefor – Having hollow core or bladder enclosed within cover
Patent
1997-03-24
1999-02-02
Wong, Steven B.
Games using tangible projectile
Projectile, per se; part thereof or accessory therefor
Having hollow core or bladder enclosed within cover
473604, A63B 4100
Patent
active
058656979
ABSTRACT:
A ball comprising an interior layer; an intermediate layer having a plurality of spacer panels extending radially outwardly from the interior layer, the panels each having interior edge located adjacent to the interior layer and an exterior edge and lateral side edges therebetween coupled to lateral side edges of adjacent panels in a waffle-like configuration to form a plurality of recesses extending downwardly from the exterior edges to thereby form a grid pattern of recesses with an exterior surface formed from the free exterior edges; and an exterior layer adjacent to the exterior surface of the intermediate layer for entrapping pockets of air within the recesses.
REFERENCES:
patent: 2023672 (1935-12-01), Ellis
patent: 2131756 (1938-10-01), Roberts
patent: 2294424 (1942-09-01), Roberts
patent: 3219347 (1965-11-01), Way
patent: 3508750 (1970-04-01), Henderson
patent: 4050184 (1977-09-01), Chiari
Melvin Terence
Molitor Robert P.
Lisco Inc.
Wong Steven B.
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