US PATENT SUBCLASS 473 / 232
.~.~.~.~ Alterable shaft provides swing force indication

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

131  DF  GOLF {23}
219  DF  .~ Practice swingable implement or indicator associated with swingable implement {4}
226  DF  .~.~ Device attachable to or integral with swingable implement {6}
231  DF  .~.~.~ Adjustable swingable implement, or swing or position indicator {6}
232.~.~.~.~ Alterable shaft provides swing force indication

DEFINITION

Classification: 473/232

Alterable shaft provides swing force indication:

(under subclass 231) Subject matter wherein the first or second swingable instrument includes a longitudinal stem extending from a gripping portion and wherein the stem portion is constructed to bend, pivot, or extend along its longitudinal axis to provide the player with information concerning the force with which the instrument is swung.