US PATENT SUBCLASS 52 / 635
.~.~ Expanded metal

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}
634  DF  .~ Truss with unitary chord and web; e.g., sheet metal {2}
635.~.~ Expanded metal

DEFINITION

Classification: 52/635

(under subclass 634) Structure in which the chords and web are of the type which has been formed from a slit sheet wherein the slits are opened by pulling on the sheet to produce the final truss form.

SEE OR SEARCH THIS CLASS, SUBCLASS:

670+, for another expanded metal openwork.