US PATENT SUBCLASS 52 / 667
.~.~.~.~ Slat orifice encompasses slat

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}
660  DF  .~ Fabric or lattice; e.g., indeterminate grating {7}
664  DF  .~.~ Intersecting strips or strands {3}
666  DF  .~.~.~ Face-to-face slats, edges coplanar {2}
667.~.~.~.~ Slat orifice encompasses slat

DEFINITION

Classification: 52/667

(under subclass 666) Structure in which a slat passes through a closed periphery opening in another slat, the latter intersecting or crossing the first slat.