US PATENT SUBCLASS 292 / 256.73
.~ Screw and nut

Current as of: June, 1999
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292 /   HD   CLOSURE FASTENERS

256  DF  CLAMPS {6}
256.73.~ Screw and nut {1}
256.75  DF  .~.~> Swingable

DEFINITION

Classification: 292/256.73

(under subclass 256) Devices in which the securing means includes a screw and a nut which, respectively, engage opposite sides of the abutting portions of the closure and the casing.