US PATENT SUBCLASS 273 / 112
.~.~ Spiral surface


Current as of: June, 1999
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273 /   HD   AMUSEMENT DEVICES: GAMES

108  DF  SURFACE PROJECTILE GAME; GAME ELEMENT (E.G., TARGET, ETC.) OR ACCESSORY THEREFOR OTHER THAN PROJECTILE, PER SE) {6}
109  DF  .~ Moving surface {4}
112.~.~ Spiral surface


DEFINITION

Classification: 273/112

(under subclass 109) Games in which the surface is arranged in the form of a spiral path.