US PATENT SUBCLASS 52 / 643
.~.~ Structurally related trusses

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

633  DF  OPENWORK; E.G., TRUSS, TRELLIS, GRILLE, SCREEN, FRAME, OR REBAR CHAIR {12}
639  DF  .~ Curvilinear or peaked truss {5}
643.~.~ Structurally related trusses

DEFINITION

Classification: 52/643

(under subclass 639) Structure comprising a structural relationship among a plurality of distinct trusses.

SEE OR SEARCH THIS CLASS, SUBCLASS:

637+, 645+, and 648.1+, for other structurally related trusses, i.e., three- dimensional openwork.