US PATENT SUBCLASS 108 / 54.1
.~ Adjustable

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

51.11  DF  INDUSTRIAL PLATFORM {20}
54.1.~ Adjustable

DEFINITION

Classification: 108/54.1

(under subclass 51.11) Device provided with means whereby the usable load-supporting surface of said device may be selectively increased or decreased to accommodate loads of various sizes.