US PATENT SUBCLASS 108 / 57.31
.~ Including tubular support

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

51.11  DF  INDUSTRIAL PLATFORM {20}
57.31.~ Including tubular support

DEFINITION

Classification: 108/57.31

Including tubular support:

(under subclass 51.11) Device wherein the supporting means includes an elongated hollow member.