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Class Information
Number: 402/29
Name: Binder device releasably engaging aperture or notch of sheet > Sheet retainer travels arcuate path > Travel in plane perpendicular to axis of rotation
Description: Device wherein the sheet retainer or a component thereof pivots about an axis disposed normal to a plane containing the major axis of the retainer or component.

Sub-classes under this class:

Class Number Class Name Patents
402/45 Opposed keeper cooperating therewith 10
402/31 Opposed sheet retainers (e.g., ring binders, etc.) 100
402/30 Preceded by rectilinear travel 13

Patents under this class:

Patent Number Title Of Patent Date Issued
8602672 Binding device Dec. 10, 2013
8568052 Binder Oct. 29, 2013
8545122 Binding device Oct. 1, 2013
8480326 Ring binder mechanism Jul. 9, 2013
8277140 Loose-leaf binder Oct. 2, 2012
8128305 Device and method for aligning and securing a ring binder mechanism Mar. 6, 2012
8118513 Binder lock mechanism including a manually adjustable locking bar Feb. 21, 2012
8047737 Ring binder mechanism Nov. 1, 2011
7891901 Ready lock ring binder mechanism Feb. 22, 2011
7731441 Ring binder mechanism Jun. 8, 2010
7726897 Ring binder mechanism Jun. 1, 2010
7524128 Ring binder mechanism spring biased to a locked position Apr. 28, 2009
5755525 Ring binder May. 26, 1998
5348412 Releasable attachment for a ring metal to a ring binder Sep. 20, 1994
4886390 Loose leaf binder Dec. 12, 1989
4848948 Side binder notebook Jul. 18, 1989
4820074 Universal center hook Apr. 11, 1989
4765768 Ring binding mechanism Aug. 23, 1988
4575273 Binder for continuous or separated computer printout sheets Mar. 11, 1986

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