US PATENT SUBCLASS 402 / 68
.~ Keeper including apertured or recessed sheet retainer receiving component

Current as of: June, 1999
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402 /   HD   BINDER DEVICE RELEASABLY ENGAGING APERTURE OR NOTCH OF SHEET

60  DF  SHEET RETAINER WITH RELEASABLE KEEPER (E.G., HOLD DOWN, ETC.) {3}
68.~ Keeper including apertured or recessed sheet retainer receiving component {1}
69  DF  .~.~> Spring biased

DEFINITION

Classification: 402/68

(under subclass 60) Device wherein the keeper includes a body having a through opening or a cavity therein which receives the distal end portion of a sheet retainer.