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Class Information
Number: 402/26
Name: Binder device releasably engaging aperture or notch of sheet > Sheet retainer travels arcuate path
Description: Device in accordance with part (1) or part (2) thereof wherein the physical structure of the sheet retainer* or a component thereof is such that movement of the retainer or a component thereof in a curvilinear path (e.g., pivotally mounted sheet retainer, etc.) is prerequisite to (1) insertion or removal of the sheet* or (2) manipulation of the sheet thereon.


Sub-classes under this class:

Class Number Class Name Patents
402/27 Coplanar with axis of rotation 10
402/29 Travel in plane perpendicular to axis of rotation 8


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7600939 Ring binder mechanism with sliding hinge plate Oct. 13, 2009
7597498 Positive lock ring binder mechanism Oct. 6, 2009
7491006 Easy open ring binder Feb. 17, 2009
7478963 Binding device Jan. 20, 2009
7445396 Hangable ring mechanism Nov. 4, 2008
7404685 Ring binder mechanism spring biased to a locked position when ring members close Jul. 29, 2008
7275886 Positive lock ring binder mechanism Oct. 2, 2007
7241067 Ring mechanism having blunt ends Jul. 10, 2007
7223040 Binder May. 29, 2007
7073968 Fastening binder ring mechanisms to binders Jul. 11, 2006
7063477 Variable capacity binder Jun. 20, 2006
7021852 Article holder Apr. 4, 2006
6994377 Sheet binding system Feb. 7, 2006
6966721 Wrap-around notebook Nov. 22, 2005
6916134 Safety ring binder having sliding actuators Jul. 12, 2005
RE38731 Ring binder May. 3, 2005
6761497 Loose-leaf binder Jul. 13, 2004
6758621 Ring binder mechanism Jul. 6, 2004
6746171 Modular ring binder assembly with removable rivets Jun. 8, 2004
6667438 Padmount transformer enclosure Dec. 23, 2003
6644882 Folder Nov. 11, 2003
6540260 Photograph album page, spine and system Apr. 1, 2003
6536980 Ring binder having actuating lever with cushion member Mar. 25, 2003
6527465 Ring binder assembly Mar. 4, 2003
6514000 Storage device Feb. 4, 2003
6511244 Binder Jan. 28, 2003
6474897 Ring binder having actuating lever with cushion member Nov. 5, 2002
6394686 Clinch fastener May. 28, 2002
6364559 Folder having covers with support portions Apr. 2, 2002
6345924 Nestable binder ring assembly Feb. 12, 2002
6328497 Ring mechanism for a binder having a plastic top section Dec. 11, 2001
6293722 Binder Mechanism Sep. 25, 2001
6280114 Ring binder having actuating lever with cushion member Aug. 28, 2001
6276862 Binder mechanism Aug. 21, 2001
6270279 Ring binder mechanism Aug. 7, 2001
6217247 Ring binder mechanism Apr. 17, 2001
6213668 Folder having covers with support portions Apr. 10, 2001
6200057 Storage device Mar. 13, 2001
6196749 Loose-leaf binder Mar. 6, 2001
6168338 Wrap around notebook Jan. 2, 2001
6168339 Ring binder Jan. 2, 2001
6146042 Sheet retaining device and method of packaging sheet retaining devices Nov. 14, 2000
6142697 Ring lock for album or binder Nov. 7, 2000
6142696 Book Nov. 7, 2000
6109813 Ring binder with divided housings Aug. 29, 2000
6099187 Storage device Aug. 8, 2000
6062760 Modular binder ring construction May. 16, 2000
6045285 Spiral binder with locking element Apr. 4, 2000
6045286 Metal ring binder with auxiliary springs Apr. 4, 2000
6036394 Ring metals with linkage locking device Mar. 14, 2000

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