US PATENT SUBCLASS 24 / 67.1
.~ With screw threaded or notch engaging securing means

Current as of: June, 1999
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24 /   HD   BUCKLES, BUTTONS, CLASPS, ETC.

67 R  DF  PAPER FASTENER {5}
67.1.~ With screw threaded or notch engaging securing means

DEFINITION

Classification: 24/67.1

(under subclass 67) Device wherein the clamping action of the clamp means is accomplished by means in the form of (1) a series of discreat recesses or (2) a continuous helical groove.

SEE OR SEARCH CLASS

402, Binder Device Releasably Engaging Aperture or Notch of Sheet,

46+, for sheet retainers which may include notched or threaded securing means.