US PATENT SUBCLASS 108 / 183
.~.~ Vertically spaced circular surfaces


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

59  DF  PLURAL RELATED HORIZONTAL SURFACES {11}
180  DF  .~ Separable component {6}
183.~.~ Vertically spaced circular surfaces


DEFINITION

Classification: 108/183

Vertically spaced circular surfaces:

(under subclass 180) Subject matter wherein the horizontal surfaces are round and spaced one above the other.