US PATENT SUBCLASS 473 / 364
.~.~.~.~.~.~ Plural diverse nonwound layers

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  DF  .~.~.~.~ Plural diverse layers between core and cover {2}
363  DF  .~.~.~.~.~ Nonwound layer {1}
364.~.~.~.~.~.~ Plural diverse nonwound layers

DEFINITION

Classification: 473/364

Plural diverse nonwound layers:

(under subclass 363) Subject matter wherein both the first and second spherical strata are formed of a solid, uncoiled material or composition and wherein the first strata has a different physical (e.g., hardness, elasticity, etc.) or chemical (e.g., kind of material, chemical composition, etc.) characteristic than the second strata.