US PATENT SUBCLASS 473 / 354
.~.~ Liquid interior


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

131  DF  GOLF {23}
351  DF  .~ Ball {8}
354.~.~ Liquid interior


DEFINITION

Classification: 473/354

Liquid interior:

(under subclass 351) Subject matter wherein the spherical object comprises means defining a cavity enclosed by a cover, and wherein the cavity contains a liquid which remains in a liquid state when the object is in use.