US PATENT SUBCLASS 235 / 107
SPIRAL
Current as of: June, 1999
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DEFINITION
Classification: 235/107
(under the class definition) Subject matter comprising registers wherein the numbers are arranged spirally, either around the surface of a cylinder or upon the face of a disk, a pointer being sometimes employed which travels along the cylinder or disk in order to indicate the proper numeral.
SEE OR SEARCH THIS CLASS, SUBCLASS:
67, for spiral calculators.
