US PATENT SUBCLASS 402 / 59
.~ With keeper

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

58  DF  SEGMENTAL SHEET RETAINER {1}
59.~ With keeper

DEFINITION

Classification: 402/59

(under subclass 58) Device wherein a keeper* engages the sheet retainer to releasably secure the sheet thereon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

60+, for a nonsegmental sheet retainer equipped with a keeper.