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Class Information
Number: 402/20
Name: Binder device releasably engaging aperture or notch of sheet > Resilient sheet retainer requiring deflection for sheet removal > Opposed sheet retainers
Description: Device including a pair of elongated sheet retainers contralaterally disposed in either offset or aligned relation such that their distal ends cooperate to secure a sheet in the device.










Patents under this class:

Patent Number Title Of Patent Date Issued
8622432 Binding element and associated method for binding Jan. 7, 2014
8545122 Binding device Oct. 1, 2013
8414212 Ring binder mechanism Apr. 9, 2013
8277140 Loose-leaf binder Oct. 2, 2012
8128305 Device and method for aligning and securing a ring binder mechanism Mar. 6, 2012
8118514 Combination flipbook and pull-up focal header Feb. 21, 2012
7950866 Ring binder mechanism with polymeric housing May. 31, 2011
7794169 Bookbinding apparatus Sep. 14, 2010
7758271 Ring mechanism biased to closed and locked position Jul. 20, 2010
7661898 Soft close ring binder mechanism with reinforced travel bar Feb. 16, 2010
7661899 Lever for a ring binder mechanism Feb. 16, 2010
7478963 Binding device Jan. 20, 2009
7461994 Twist lock ring binder Dec. 9, 2008
7241067 Ring mechanism having blunt ends Jul. 10, 2007
7077595 Spine binder Jul. 18, 2006
7021852 Article holder Apr. 4, 2006
6916134 Safety ring binder having sliding actuators Jul. 12, 2005
6764241 Support surface mounted sequential first page notebook Jul. 20, 2004
6666609 Flip chart holder Dec. 23, 2003
6270280 Spine binder Aug. 7, 2001
6203229 Bolt action ring binder assembly Mar. 20, 2001
6010270 Ring binder with locking device Jan. 4, 2000
5692848 Ring binder Dec. 2, 1997
5683193 Device for retaining sheets files or punched cards in binders or the like Nov. 4, 1997
5423624 Hinged loose-leaf retainer system Jun. 13, 1995
5180246 Binding system Jan. 19, 1993
5037229 Closure for wire loop binder Aug. 6, 1991
5028159 Looseleaf binder Jul. 2, 1991
5018895 Film stacker clip May. 28, 1991
4932804 Loose leaf retainer for file folders Jun. 12, 1990
4815882 Turntable type binder assemblies Mar. 28, 1989
4792253 Binder ring having slip-on folio stops Dec. 20, 1988
4722627 Clip-on paper holding system Feb. 2, 1988
4607970 Binder for perforated sheets Aug. 26, 1986
4500223 Carrier for hinged support of pages Feb. 19, 1985
4239410 Stationery booklet Dec. 16, 1980
4130368 Plastic looseleaf binder ring assembly Dec. 19, 1978
3995961 Ring binder Dec. 7, 1976
3954343 Plastic looseleaf binder ring assembly May. 4, 1976











 
 
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