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Class Information
Number: 402/61
Name: Binder device releasably engaging aperture or notch of sheet > Sheet retainer with releasable keeper (e.g., hold down, etc.) > Keeper cooperating with retainer of varying cross-section
Description: Device wherein the keeper releasably engages an exterior surface of the sheet retainer, per se, which retainer has structure which changes along the length thereof either dimensionally or in shape.










Sub-classes under this class:

Class Number Class Name Patents
402/62 Apertured retainer 20
402/63 Notched or grooved retainer (e.g., screw threaded, etc.) 39


Patents under this class:

Patent Number Title Of Patent Date Issued
8585310 Binder clip Nov. 19, 2013
8573876 Soft close ring binder mechanism with mating ring tips Nov. 5, 2013
8540451 Binder clip Sep. 24, 2013
8083429 Modular locking binder system Dec. 27, 2011
7575388 Binder for filing tool Aug. 18, 2009
7300222 Rotatable locking mechanism for ring systems Nov. 27, 2007
6536981 Adjustable binder apparatus Mar. 25, 2003
6514000 Storage device Feb. 4, 2003
6361235 Device for binding together a stack of document sheets Mar. 26, 2002
6200057 Storage device Mar. 13, 2001
6155737 Bolt action ring binder Dec. 5, 2000
6099187 Storage device Aug. 8, 2000
6076990 Binder for holed paper Jun. 20, 2000
5257859 Drawer for catalogue card Nov. 2, 1993
4984925 Structure of binding clip Jan. 15, 1991
4761091 Binding device Aug. 2, 1988
4657422 Binder Apr. 14, 1987
4579472 Devices for holding sheets Apr. 1, 1986
4340316 Binding system Jul. 20, 1982
4305675 File fastener Dec. 15, 1981
4165193 Loose-leaf folder Aug. 21, 1979











 
 
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