US PATENT SUBCLASS 292 / 256.65
.~.~ With expanding or contracting means

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

256  DF  CLAMPS {6}
256.6  DF  .~ Ring {3}
256.65.~.~ With expanding or contracting means {2}
256.67  DF  .~.~.~> Screw
256.69  DF  .~.~.~> Toggle lever

DEFINITION

Classification: 292/256.65

(under subclass 256.6) Devices combined with means to expand and/or contract the ring to closure fastening position.

(1) Note. The ring is usually in one piece but is split.