US PATENT SUBCLASS 52 / 679
.~.~ Penetrator with limiting stop

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}
679.~.~ Penetrator with limiting stop {2}
680  DF  .~.~.~> Hook-type head integral with penetrating leg
681  DF  .~.~.~> Penetrating leg traversing separate stop {2}

DEFINITION

Classification: 52/679

(under subclass 677) Structure shaped to penetrate a mold or base member and having a feature which determines the depth of penetration.

SEE OR SEARCH THIS CLASS, SUBCLASS:

361, for a penetrating type fastener holding a settable material backer to a furring, joist or stud.

700, for an anchor or tie with an integral feature for penetrating a form.