Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
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



 
 
  Recently Added Patents
Wireless video transmission system
Apparatus and method for measuring movement of a downhole tool
Cable connector assembly
Bent zoom lens
Image recognition device using feature points, method for recognizing images using feature points, and robot device which recognizes images using feature points
Embedded planar antenna with pertaining tuning method
Freezer device
  Randomly Featured Patents
Air spring arrangement
Processing techniques for the fabrication of solid acid fuel cell membrane electrode assemblies
Bi-level phase grating focusing plate
Method for chemically sensitizing silver halide photographic emulsion
Semiconductor device having improved thermal characteristics
Semiconductor device test apparatus
System and method for dispersing pigment in cement based compositions
Brake assembly
Attachment tape for foam-backed absorbent product
Patterned noise damping composite