US PATENT SUBCLASS 108 / 22
.~ Along circuitous path

Current as of: June, 1999
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108 /   HD   HORIZONTALLY SUPPORTED PLANAR SURFACES

20  DF  POWER DRIVEN {2}
22.~ Along circuitous path

DEFINITION

Classification: 108/22

(under subclass 20) Device in which the movement of the surface is along a fixed roundabout course.