US PATENT SUBCLASS 108 / 51.3
.~ Formed from folded semirigid material (e.g., cardboard, etc.)

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

51.11  DF  INDUSTRIAL PLATFORM {20}
51.3.~ Formed from folded semirigid material (e.g., cardboard, etc.)

DEFINITION

Classification: 108/51.3

(under subclass 51.11) Device which is formed from a sheet of semirigid foldable material, such as cardboard or the like, which has sufficient strength and rigidity to maintain the shape into which it is bent or folded.

(1) Note. The platforms of the type classified herein may or may not be a "knockdown" type of platform.

SEE OR SEARCH THIS CLASS, SUBCLASS:

51.11, for other foldable devices which are not made of semirigid material.