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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 402/38
Name: Binder device releasably engaging aperture or notch of sheet > Sheet retainer travels arcuate path > Travel in plane perpendicular to axis of rotation > Opposed sheet retainers (e.g., ring binders, etc.) > Hinged on spaced axes > Toggle-type arrangement > With actuator to open or close retainers
Description: Device supplemented by a cam or lever element to force the oppositely disposed sheet retainers toward or away from one another.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8517624 Binder apparatus Aug. 27, 2013
8414212 Ring binder mechanism Apr. 9, 2013
8186899 Ring binder mechanism May. 29, 2012
8162556 Actuator for a ring binder mechanism Apr. 24, 2012
8147160 Ring binder mechanism with polymeric housing and actuator Apr. 3, 2012
8052343 Ring binder mechanism Nov. 8, 2011
8047737 Ring binder mechanism Nov. 1, 2011
8050429 Audio recordation and reproduction spring clips Nov. 1, 2011
7950867 Lever for a ring binder mechanism May. 31, 2011
7891901 Ready lock ring binder mechanism Feb. 22, 2011
7878729 Intermediate connector for a ring binder mechanism Feb. 1, 2011
7828491 Travel bar for use with a ring mechanism Nov. 9, 2010
7823856 Hinge and binding apparatus for displaying cards and papers in the workplace Nov. 2, 2010
7819602 Ring binder mechanism Oct. 26, 2010
7762734 Ring binder mechanism Jul. 27, 2010
7758271 Ring mechanism biased to closed and locked position Jul. 20, 2010
7748922 Ring binder mechanism with dual pivot locking elements Jul. 6, 2010
7731441 Ring binder mechanism Jun. 8, 2010
7704005 Ring mechanism having locking element operatively connected to lever Apr. 27, 2010
7690855 Binding tool for documents or the like Apr. 6, 2010
7674062 Ring binder mechanism Mar. 9, 2010
7665926 Ring mechanism with spring biased travel bar Feb. 23, 2010
7661899 Lever for a ring binder mechanism Feb. 16, 2010
7654765 Ring binder having a clip Feb. 2, 2010
7648302 Ring binder mechanism Jan. 19, 2010
7637682 Ring binder Dec. 29, 2009
7597498 Positive lock ring binder mechanism Oct. 6, 2009
7549817 Ready lock ring binder mechanism Jun. 23, 2009
7530755 Easy open ring binder May. 12, 2009
7524128 Ring binder mechanism spring biased to a locked position Apr. 28, 2009
7524127 Ring binder mechanism Apr. 28, 2009
7513708 Ring binder mechanism having slide connector Apr. 7, 2009
7491006 Easy open ring binder Feb. 17, 2009
7404685 Ring binder mechanism spring biased to a locked position when ring members close Jul. 29, 2008
7331732 Loose-leaf binding tool Feb. 19, 2008
7296946 Ring binder mechanism Nov. 20, 2007
7275886 Positive lock ring binder mechanism Oct. 2, 2007
7270496 Ring mechanism for a ring binder Sep. 18, 2007
7241067 Ring mechanism having blunt ends Jul. 10, 2007
7223040 Binder May. 29, 2007
7134800 Loose-leaf binder with lock Nov. 14, 2006
7077595 Spine binder Jul. 18, 2006
7021852 Article holder Apr. 4, 2006
6994377 Sheet binding system Feb. 7, 2006
6916134 Safety ring binder having sliding actuators Jul. 12, 2005
RE38731 Ring binder May. 3, 2005
6758621 Ring binder mechanism Jul. 6, 2004
6749357 Ring binder mechanism Jun. 15, 2004
6746171 Modular ring binder assembly with removable rivets Jun. 8, 2004
6540260 Photograph album page, spine and system Apr. 1, 2003

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