US PATENT SUBCLASS 108 / 53.5
.~.~ Tiering

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

51.11  DF  INDUSTRIAL PLATFORM {20}
53.1  DF  .~ Stacking {2}
53.5.~.~ Tiering

DEFINITION

Classification: 108/53.5

(under subclass 51.11) Device wherein the means permits the stacking of a plurality of devices one upon another so that the supporting surface of each device in the stack may support a load.