US PATENT SUBCLASS 473 / 448
.~.~.~.~ Hoop-opening reducer or means for improving arch of ball shot toward goal or target

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}
446  DF  .~.~ For game using apertured or pocketed goal or target (e.g., for hockey, soccer, polo, lacrosse, etc.) {1}
447  DF  .~.~.~ For game using elevated, horizontally disposed goal or target (e.g., for basketball, etc.) {3}
448.~.~.~.~ Hoop-opening reducer or means for improving arch of ball shot toward goal or target

DEFINITION

Classification: 473/448

Hoop-opening reducer or means for improving arch of ball shot toward goal or target:

(under subclass 447) Practice or training device either (a) comprising a means to reduce the size of the opening of an elevated, apertured or pocketed goal or target, or (b) comprising a means adapted and intended to enable a practicing or training player to improve or perfect the action of impelling, propelling, throwing, or otherwise projecting a projectile into or through an elevated, apertured or pocketed goal or target by permitting the projectile to enter the goal or target only if it follows a course having a proper trajectory.