US PATENT SUBCLASS 473 / 317
.~.~.~ 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}
316  DF  .~.~ Shaft {3}
317.~.~.~ Reduced air resistance

DEFINITION

Classification: 473/317

Reduced air resistance:

(under subclass 316) Subject matter wherein the elongated member includes structure to lessen the effect of an interaction between the member and the atmosphere as the instrument is swung by the player.