US PATENT SUBCLASS 52 / 2.18
.~ Intersecting tubular elements form framework

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

2.11  DF  SHAPED OR STRENGTHENED BY FLUID PRESSURE {11}
2.18.~ Intersecting tubular elements form framework

DEFINITION

Classification: 52/2.18

Intersecting tubular elements form framework:

(under subclass 2.11) Structure wherein the building structure or component comprises tubular elements which intersect one another and which, when inflated, form the frame members of a building.