US PATENT SUBCLASS 473 / 327
.~.~.~ Reduced air resistance

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

131  DF  GOLF {23}
282  DF  .~ Club or club support {17}
324  DF  .~.~ Head {15}
327.~.~.~ Reduced air resistance

DEFINITION

Classification: 473/327

Reduced air resistance:

(under subclass 324) Subject matter wherein the ball-striking portion includes structure to lessen the effect of an interaction between the portion and the atmosphere as the

instrument is swung by the player.