US PATENT SUBCLASS 473 / 453
.~.~.~ Bat swing analyzer or guide

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

415  DF  PLAYING FIELD OR COURT GAME; GAME ELEMENT OR ACCESSORY THEREFOR OTHER THAN PROJECTOR OR PROJECTILE, PER SE {14}
422  DF  .~ Practice or training device {7}
451  DF  .~.~ For game in which play involves base running (e.g., for baseball, cricket, etc.) {5}
453.~.~.~ Bat swing analyzer or guide

DEFINITION

Classification: 473/453

Bat swing analyzer or guide:

(under subclass 451) Practice or training device comprising either (a) a means, separate from a bat-type projecting implement, for detecting and displaying to a user at least one aspect of bat movement or position when it is swung in a manner similar to the manner in which it should ideally be swung in an attempt to hit a projectile during play of the game or (b) a means to constrain a bat-type projecting implement, when it is swung in practice, to follow the same path it should ideally follow when it is swung during play of the game.