US PATENT SUBCLASS 473 / 369
.~.~.~.~ Injected gas

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

131  DF  GOLF {23}
351  DF  .~ Ball {8}
367  DF  .~.~ Interior includes injected or compressed material {2}
368  DF  .~.~.~ Injected material {1}
369.~.~.~.~ Injected gas

DEFINITION

Classification: 473/369

Injected gas:

(under subclass 368) Subject matter wherein the material forced into the opening is a gas.