US PATENT SUBCLASS 52 / 154
.~ Wings in different planes

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

153  DF  SHAFT WITH EMBEDDING WING-TYPE BRACE {1}
154.~ Wings in different planes

DEFINITION

Classification: 52/154

(under subclass 153) Structure in which two or more of the projecting sheet form members are not in a single plane.