US PATENT SUBCLASS 52 / 691
.~.~ Truss with inclined lower chord

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}
690  DF  .~ Side-by-side terminus shafts; e.g., truss {4}
691.~.~ Truss with inclined lower chord

DEFINITION

Classification: 52/691

(under subclass 690) Structure wherein the chords and spacing means form a rigid framework with one chord having a web section or terminal portion inclined relative to the other chord.

SEE OR SEARCH THIS CLASS, SUBCLASS:

639+, for a truss which as a whole is peaked or curved.