US PATENT SUBCLASS 52 / 657
.~.~ "X" or corner brace

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}
656.1  DF  .~ Outside corner or peripherally bordered (i.e., framing, etc.) {5}
657.~.~ "X" or corner brace

DEFINITION

Classification: 52/657

(under subclass 656.1) Structure including crossing diagonal members traversing the quadrilateral area and attached to at least two of the shafts or means such as a gusset plate bracing a corner.

SEE OR SEARCH THIS CLASS, SUBCLASS:

693+, for two spaced parallel shafts with diagonal bracing.