US PATENT SUBCLASS 52 / 544
.~.~ Interengaging connectable fastener parts

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

518  DF  LAPPED MULTIPLANAR SURFACING; E.G., SHINGLE TYPE {7}
543  DF  .~ With fastener or anchor {8}
544.~.~ Interengaging connectable fastener parts

DEFINITION

Classification: 52/544

(under subclass 543) Structure wherein the discrete securing means comprises a plurality of parts, one of which is secured

to a facing section and the other of which is secured to the substructure, said parts being adapted to interengage and be connected to each other upon installation.