US PATENT SUBCLASS 473 / 111
.~.~.~ Ball lift or elevator

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

54  DF  BOWLING {6}
106  DF  .~ Ball handling or diverting means {6}
110  DF  .~.~ Ball return {2}
111.~.~.~ Ball lift or elevator

DEFINITION

Classification: 473/111

Ball lift or elevator:

(under subclass 110) Subject matter wherein the ball return means includes means to raise the ball up to a higher level so as, for example, to facilitate the return of the ball to the bowler by gravity.