US PATENT SUBCLASS 473 / 339
.~.~.~.~.~ In vertical bore access through top

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}
334  DF  .~.~.~ Selectively adjustable weighting element {1}
335  DF  .~.~.~.~ Embedded in head {3}
339.~.~.~.~.~ In vertical bore access through top

DEFINITION

Classification: 473/339

In vertical bore access through top:

(under subclass 335) Subject matter wherein the structure comprises a duct having an axis extending substantially normal to an upper surface of the ball-striking portion, and wherein the changing means can only be implemented by the player through the upper surface.