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Class Information
Number: 402/59
Name: Binder device releasably engaging aperture or notch of sheet > Segmental sheet retainer > With keeper
Description: Device wherein a keeper* engages the sheet retainer to releasably secure the sheet thereon.

Patents under this class:

Patent Number Title Of Patent Date Issued
6955493 Flexibind books Oct. 18, 2005
6139209 System for binding printed works Oct. 31, 2000
5224788 Direct access modular binder Jul. 6, 1993
4534671 Holder with a stack of sheets Aug. 13, 1985
4129396 Loose leaf binder with rigid telescopic post assemblies and magnetically retained bar Dec. 12, 1978
4126402 Binder with magazine storage Nov. 21, 1978

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