US PATENT SUBCLASS 108 / 163
.~.~ Surfaces comprise plural bars

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

59  DF  PLURAL RELATED HORIZONTAL SURFACES {11}
162  DF  .~ Foldable component {6}
163.~.~ Surfaces comprise plural bars

DEFINITION

Classification: 108/163

Surfaces comprise plural bars:

(under subclass 162) Subject matter wherein the surfaces include relatively long, straight, rigid, and parallel structural members.