US PATENT SUBCLASS 402 / 71
.~ With sheet retainer guard

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

70  DF  SHEET RETAINER WITH BASE OR DEPOSITORY {2}
71.~ With sheet retainer guard

DEFINITION

Classification: 402/71

(under subclass 70) Device which includes an element adapted to cover and extend over the sheet retainer to prevent accidental engagement therewith or the displacement of sheet* therefrom.

(1) Note. A guard differs from a keeper in that it is spaced from and acts to shield the sheet retainers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

59, and 60+, for a sheet retainer equipped with a keeper.