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Class Information
Number: 402/28
Name: Binder device releasably engaging aperture or notch of sheet > Sheet retainer travels arcuate path > Coplanar with axis of rotation > Preceded by a rectilinear travel
Description: Device wherein translation of the sheet retainer or a component thereof is prerequisite to the arcuate travel.

Patents under this class:

Patent Number Title Of Patent Date Issued
7524127 Ring binder mechanism Apr. 28, 2009
6916134 Safety ring binder having sliding actuators Jul. 12, 2005
5405209 Paper binder for folders Apr. 11, 1995
5160209 Fastener assembly for concealably fastening a paper retaining mechanism to a binder Nov. 3, 1992
4733985 Binder mechanism Mar. 29, 1988
4172675 Binding mechanism for loose-leaf binder Oct. 30, 1979

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