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Class Information
Number: 402/65
Name: Binder device releasably engaging aperture or notch of sheet > Sheet retainer with releasable keeper (e.g., hold down, etc.) > Keeper including wedge type securing means > Skew locked
Description: Device wherein the securing means or a portion thereof lies in a plane which is disposed at an acute angle relative to the longitudinal axis of the sheet retainer to produce a bias gripping action therebetween.

Sub-classes under this class:

Class Number Class Name Patents
402/66 Spring wedge element 2

Patents under this class:

Patent Number Title Of Patent Date Issued
8263275 Fuel cell system having a control unit for measuring impedance Sep. 11, 2012
6179507 Permanently locking ring binder Jan. 30, 2001
5102252 Binder Apr. 7, 1992
4487520 Folder Dec. 11, 1984
4486111 Data binder slide Dec. 4, 1984

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