US PATENT SUBCLASS 108 / 116
.~ With vertical adjustability

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

115  DF  FOLDING {9}
116.~ With vertical adjustability {1}
117  DF  .~.~> Sliding pivot connects surface and support

DEFINITION

Classification: 108/116

(under subclass 115) Device with means to fix the surface in different vertical positions.