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Class Information
Number: 402/55
Name: Binder device releasably engaging aperture or notch of sheet > Opposed sheet retainers involving relative rectilinear travel > Travel from aligned to offset position
Description: Device wherein the first and second sheet retainers are in abutting co-axial relation when associated to jointly secure a sheet and such relation is changeable by means permitting movement of the first retainer to a position wherein the abutting portions of the retainers are in a biaxial spaced relation in order to permit removal of a sheet.

Patents under this class:

Patent Number Title Of Patent Date Issued
8545123 Ring binder Oct. 1, 2013
8480327 Binder apparatus Jul. 9, 2013
6962457 Binder Nov. 8, 2005
6293722 Binder Mechanism Sep. 25, 2001
6174100 Pin binding assembly Jan. 16, 2001
5906449 Binder locking clip May. 25, 1999
5213370 Expandable loose-leaf volume May. 25, 1993
5015115 Interchangeable sheet album for photographs and cards May. 14, 1991
4930926 Binder for removable leaves Jun. 5, 1990
4743134 Sliding loose-leaf binder May. 10, 1988
4486112 Loose leaf binder Dec. 4, 1984
4441834 Loose leaf binder Apr. 10, 1984
4349290 Loose leaf binder Sep. 14, 1982
4172675 Binding mechanism for loose-leaf binder Oct. 30, 1979

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