US PATENT SUBCLASS 108 / 103
.~.~ Rotatable about vertical axis

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

59  DF  PLURAL RELATED HORIZONTAL SURFACES {11}
102  DF  .~ Horizontally adjustable {1}
103.~.~ Rotatable about vertical axis {2}
104  DF  .~.~.~> Inner section rotates relative to fixed outer section
105  DF  .~.~.~> Vertically adjustable

DEFINITION

Classification: 108/103

(under subclass 102) Device wherein at least one of the surfaces turns about an axis normal to the horizontal plane.