US PATENT SUBCLASS 52 / 771
.~.~.~ Interconnected by intermediate member and fastener

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

474  DF  FACER HELD BY STIFFENER-TYPE FRAME {11}
764  DF  .~ Facer attached between exposed frame members {11}
770  DF  .~.~ Attaching means contacts facer front and back faces then fastened to frame {1}
771.~.~.~ Interconnected by intermediate member and fastener

DEFINITION

Classification: 52/771

Retaining elements interconnected by intermediate member and fastener:

(under subclass 770) Structure including at least one separate element located between the retaining members and interconnected therewith by at least one fastener such as a screw.