US PATENT SUBCLASS 273 / 142 R
.~ Rotating disk

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

138.1  DF  CHANCE DEVICES {8}
142 R.~ Rotating disk {11}
143 R  DF  .~.~> Edge indication {5}
142 A  DF  .~.~> Indicator: projected
142 B  DF  .~.~> Indicator: electrical
142 C  DF  .~.~> Indicator: optional
142 D  DF  .~.~> Indicator: free element
142 E  DF  .~.~> Ball indicator-pocketed disc
142 F  DF  .~.~> Ball indicator-notched disc
142 G  DF  .~.~> Ball indicator-stationary pocket
142 H  DF  .~.~> Plural disc {1}
142 J  DF  .~.~> Indexing {4}
142 K  DF  .~.~> Phonograph mounted

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.