US PATENT SUBCLASS 52 / 649.2
.~.~.~ For beam, column, etc.

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

633  DF  OPENWORK; E.G., TRUSS, TRELLIS, GRILLE, SCREEN, FRAME, OR REBAR CHAIR {12}
648.1  DF  .~ Three-dimensional space-defining {9}
649.1  DF  .~.~ Reinforcement for settable material {2}
649.2.~.~.~ For beam, column, etc. {2}
649.3  DF  .~.~.~.~> Having perimeter-surrounding element {1}
649.6  DF  .~.~.~.~> Additional laterally projecting means {1}

DEFINITION

Classification: 52/649.2

For beam, column, etc.:

(under subclass 649.1) Subject matter wherein the reinforced substance comprises a slender supporting structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

650.1+, for beam, girder, column, etc., per se.