US PATENT SUBCLASS 52 / 761
.~ Frame member substantially cylindrical in cross-section

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

474  DF  FACER HELD BY STIFFENER-TYPE FRAME {11}
761.~ Frame member substantially cylindrical in cross-section

DEFINITION

Classification: 52/761

Frame substantially cylindrical in cross- section:

(under subclass 474) Structure wherein the sustainer-type support is substantially cylindrical in form in a plane normal to its major axis.