US PATENT SUBCLASS 52 / 688
.~.~.~ Units attached to separate connector

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}
677  DF  .~ Spacer-positioner; e.g., rebar chair {5}
687  DF  .~.~ Plural feet or seat {2}
688.~.~.~ Units attached to separate connector

DEFINITION

Classification: 52/688

(under subclass 687) Structure in which plural units having plural feet or seats are attached to or formed by a separate elongated member at spaced intervals, e.g., a spacer-positioner spaced along a connecting rod.