US PATENT SUBCLASS 108 / 100
.~.~.~ Opposite edges of surfaces vertically aligned

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

59  DF  PLURAL RELATED HORIZONTAL SURFACES {11}
92  DF  .~ Terraced {6}
99  DF  .~.~ Folding {1}
100.~.~.~ Opposite edges of surfaces vertically aligned

DEFINITION

Classification: 108/100

(under subclass 99) Device wherein the rear edge of one surface is in the same vertical plane as the front edge of a superposed surface.