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Class Information
Number: 402/71
Name: Binder device releasably engaging aperture or notch of sheet > Sheet retainer with base or depository > With sheet retainer guard
Description: 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.

Patents under this class:

Patent Number Title Of Patent Date Issued
8096726 Sheet lifter Jan. 17, 2012
6357951 Loose-leaf binder assembly Mar. 19, 2002
6345924 Nestable binder ring assembly Feb. 12, 2002
6039494 Casing board including clear overlay defining exterior pocket Mar. 21, 2000
4165193 Loose-leaf folder Aug. 21, 1979
4000951 Loose leaf binders Jan. 4, 1977

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