US PATENT SUBCLASS 473 / 451
.~.~ For game in which play involves base running (e.g., for baseball, cricket, etc.)

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.~.~ For game in which play involves base running (e.g., for baseball, cricket, etc.) {5}
452  DF  .~.~.~> Foot positioner (e.g., stance, stride device, etc.)
453  DF  .~.~.~> Bat swing analyzer or guide
454  DF  .~.~.~> Pitcher's target {2}
457  DF  .~.~.~> Practice bat
458  DF  .~.~.~> Player worn or carried

DEFINITION

Classification: 473/451

For game in which play involves base running (e.g., for baseball, cricket, etc.):

(under subclass 422) Practice or training device comprising a means specifically adapted and intended to enable a player to improve or perfect his or her skill in the play of a playing field or court game of the type in which at least one of the objectives of the game is for one or more offensive players to successfully traverse the playing field or court, in accordance with the rules of the game, from a first defined station on the field or court to a second defined station on the field or court in response to a first game action and

before a second game action occurs (e.g., in response to the pitching or hitting of the game projectile, etc.).