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US 4,365,454 AGranted
Construction system
AssigneeCubit Corporation
InventorJohn M. Davis
Life of this patent
Estimating the term…
Abstract
Construction system consisting of a flat main body having recesses at its edges and a centrally-hinged connecting member having opposed parts that fit in the recesses.
Claims6
Construction system, comprising:
- (a) a main body formed of a light-weight material having a plurality of sides each of which has a recess, and
- (b) a connecting member having hinge line formed by a score on each side and dividing the member into two parts, each part being formed to fit snugly into one of the said recesses in the main body, said member being relatively resistant to bending except along said hinge line, the recess being twice as thick as a single connecting member, the main body and the member being formed from a material consisting of two sheets of paper between which is sandwiched a layer of foamed plastic.
Dependencies are inferred from the claim text.