US PATENT SUBCLASS 473 / 361
.~.~.~.~ Plural diverse layers between core and cover

Current as of: June, 1999
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473 /   HD   GAMES USING TANGIBLE PROJECTILE

131  DF  GOLF {23}
351  DF  .~ Ball {8}
356  DF  .~.~ Wound interior {1}
357  DF  .~.~.~ Surrounding non-wound spherical core {5}
361.~.~.~.~ Plural diverse layers between core and cover {2}
362  DF  .~.~.~.~.~> Diverse tension in wound layers
363  DF  .~.~.~.~.~> Nonwound layer {1}

DEFINITION

Classification: 473/361

Plural diverse layers between core and cover:

(under subclass 357) Subject matter comprising first and second spherical strata between the innermost spherical core and the striking surface, and wherein the first spherical strata has a different physical (e.g., tension, shape of winding, etc.) or chemical (e.g., king of material, chemical composition, etc.) characteristic than the second spherical strata.