US PATENT SUBCLASS 108 / 59
PLURAL RELATED HORIZONTAL SURFACES

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

59PLURAL RELATED HORIZONTAL SURFACES {11}
60  DF  .~> With partition {1}
62  DF  .~> Invertible surface {1}
64  DF  .~> Laterally connected individual units
65  DF  .~> Coplanar extension surface {4}
90  DF  .~> Detachable enlarging or substitute surface
91  DF  .~> Nested or stacked units
92  DF  .~> Terraced {6}
102  DF  .~> Horizontally adjustable {1}
106  DF  .~> Vertically adjustable {1}
162  DF  .~> Foldable component {6}
180  DF  .~> Separable component {6}

DEFINITION

Classification: 108/59

(under the class definition) Device in which the spatial or functional relationship of two or more horizontal surfaces is involved.

SEE OR SEARCH CLASS

182, Fire Escape, Ladder, or Scaffold,

130+, for plural platforms having a common support.