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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 402/34
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.) > Stationary retainer with traveling opposed retainer
Description: Device wherein one of the opposed retainers travels an arcuate path relative to its static second cooperating opposed retainer.










Sub-classes under this class:

Class Number Class Name Patents
402/35 Spring biased 27


Patents under this class:

Patent Number Title Of Patent Date Issued
8545123 Ring binder Oct. 1, 2013
8480327 Binder apparatus Jul. 9, 2013
7527449 Ring binder mechanism May. 5, 2009
7293932 Lever arch binder mechanism with complementary ring tips Nov. 13, 2007
6196749 Loose-leaf binder Mar. 6, 2001
6062760 Modular binder ring construction May. 16, 2000
6010270 Ring binder with locking device Jan. 4, 2000
5975784 Bolt action ring binder Nov. 2, 1999
5957611 Ring binder with dual angle ring metal Sep. 28, 1999
5697722 Ring binder mechanism having spring closure mechanism Dec. 16, 1997
5618121 File clip with punching function Apr. 8, 1997
5249902 Loose-leaf binder assembly process and apparatus Oct. 5, 1993
5158386 Ring binder separator Oct. 27, 1992
5076722 Loose leaf binder Dec. 31, 1991
4995752 Ordering means for document files or the like Feb. 26, 1991
4948286 Ordering means for document files or the like Aug. 14, 1990
4904102 Base plate for a loose-leaf holder Feb. 27, 1990
4842434 Organizational aid for paper sheets, especially EDP paper sheets Jun. 27, 1989
4832521 Closure mechanism for a loose-leaf holder May. 23, 1989
4830528 Closure mechanism for a loose-leaf holder May. 16, 1989
4815882 Turntable type binder assemblies Mar. 28, 1989
4802789 Combined punch and clip Feb. 7, 1989
4624595 Ring type binder Nov. 25, 1986
4486112 Loose leaf binder Dec. 4, 1984
4449840 Binder assembly of the ring type May. 22, 1984
4349289 Loose leaf binder Sep. 14, 1982











 
 
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