US PATENT SUBCLASS 273 / 142 J
.~.~ Indexing


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

138.1  DF  CHANCE DEVICES {8}
142 R  DF  .~ Rotating disk {11}
142 J.~.~ Indexing {4}
142 JA  DF  .~.~.~> Pin and reed
142 JB  DF  .~.~.~> Magnetic
142 JC  DF  .~.~.~> Leaf spring and cog
142 JD  DF  .~.~.~> Pivoted pawl

Unofficial Alpha Subclasses: R A B C D E F G H HA J JA JB JC JD K

DEFINITION

Classification: 273/142

(under subclass 138.1) Chance devices in which a rotated disk or disks can upon coming to a still position indicate counts of varying values by means of the position of a part of the disk or disks relative to a definite point.