US PATENT SUBCLASS 473 / 357
.~.~.~ Surrounding non-wound spherical core

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.~.~.~ Surrounding non-wound spherical core {5}
358  DF  .~.~.~.~> Hollow core
359  DF  .~.~.~.~> Metal core or winding {1}
361  DF  .~.~.~.~> Plural diverse layers between core and cover {2}
365  DF  .~.~.~.~> Having particular cover
366  DF  .~.~.~.~> Wound wide band

DEFINITION

Classification: 473/357

Surrounding nonwound spherical core:

(under subclass 356) Subject matter wherein the wrapped material surrounds an innermost spherical portion which is hollow or which is formed by material which has not been wrapped in coils.