US PATENT SUBCLASS 273 / 142 H
.~.~ Plural disc
Current as of: June, 1999
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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.