Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 402/80L
Name: Binder device releasably engaging aperture or notch of sheet > Miscellaneous > Sheet lifters
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8096726 Sheet lifter Jan. 17, 2012
7052045 Labeling device for bound materials May. 30, 2006
6908248 Ring-center pivot loose-leaf binder page lifter Jun. 21, 2005
6632042 Printed sheet protector system and method Oct. 14, 2003
6273630 Sheet lifter Aug. 14, 2001
6261021 Binder insert having a clip Jul. 17, 2001
6200058 Segmented paper lifter with multiple and variable length lever arms Mar. 13, 2001
6123479 Hanging multiple page protector Sep. 26, 2000
6036396 Removable protector for a page of sample book Mar. 14, 2000
6027275 Seal for notebook and album rings Feb. 22, 2000
5984560 Storage apparatus for ringed notebook or ringed binder Nov. 16, 1999
5713551 Device for supporting of file wrappers Feb. 3, 1998
5549406 No-bind page lifter clip Aug. 27, 1996
5503489 Double aperture paper lifter Apr. 2, 1996
5267804 Apparatus and method for making a binder self-supporting Dec. 7, 1993
5106222 Embossed cover for ring binder mechanism Apr. 21, 1992
5044807 Adjustable writing platform for a notebook Sep. 3, 1991
5033899 Index media for loose-leaf notebooks and wirebound notebooks Jul. 23, 1991
4948173 Record keeping assembly having locating posts and peel strip Aug. 14, 1990
4611942 Sheet registration means Sep. 16, 1986
4573822 Sheet lifter for a loose leaf binder Mar. 4, 1986
4573821 Window index system for ring binders Mar. 4, 1986
4434534 Holding-down and clamping device for shackle mechanisms Mar. 6, 1984
4423976 Sheet lifter Jan. 3, 1984
4420271 Centerline-attached looseleaf notebook page lifter Dec. 13, 1983
4373825 Looseleaf page lifter Feb. 15, 1983
4185934 Filler cradle for looseleaf ringbinders Jan. 29, 1980
3936201 Hanger and sheet lifter for ring binder Feb. 3, 1976











 
 
  Recently Added Patents
Area reduction for surface mount package chips
Vehicle grille
Device and method for quantizing and inverse quantizing LPC filters in a super-frame
Signal processing apparatus and methods
Gemstone
Vending machine
Conductor for transmitting electrical power
  Randomly Featured Patents
Automatic hydroponic garden
Method and apparatus for chemometric estimations of fluid density, viscosity, dielectric constant, and resistivity from mechanical resonator data
Cast-in hermetic electrical feed-throughs
Method and apparatus for treating exhaust gas from a semiconductor fabrication machine
Strap locking buckle
Signal processing device for mobile radio
Breathable fire extinguishing gas mixtures
Anisotropic metal oxide etch
Electrical commutator machine
Method and apparatus for automatically de-bagging can ends and like articles