US PATENT SUBCLASS 52 / 223.12
.~.~ Homogenous design (e.g., all metal)

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

223.1  DF  WITH COMPONENT HAVING DISCRETE PRESTRESSING MEANS {7}
223.8  DF  .~ Beam, girder, or truss construction {3}
223.12.~.~ Homogenous design (e.g., all metal)

DEFINITION

Classification: 52/223.12

Homogenous design (e.g., all metal):

(under subclass 223.8) Beam, girder, or truss in which the structural element including the prestressing means is fabricated from a single material (e.g., steel).