US PATENT SUBCLASS 292 / 256.71
.~ Screw against closure

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

256  DF  CLAMPS {6}
256.71.~ Screw against closure

DEFINITION

Classification: 292/256.71

(under subclass 256) Devices in which the securing means includes screw-threaded members which bear directly against the closure and/or the casing.