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Class Information
Number: 402/501
Name: Binder device releasably engaging aperture or notch of sheet > Sheet retainer continuous with periphery of sheet notch
Description: Device wherein the sheet retainer defined under Class Definition, Glossary, also extends continuously from a point outside the confines of the sheet past the edge of the sheet and into an incised periphery (e.g., slit margin, notch) of the sheet.

Patents under this class:

Patent Number Title Of Patent Date Issued
6364560 Pivot member for an EVA book Apr. 2, 2002
6345924 Nestable binder ring assembly Feb. 12, 2002
6045285 Spiral binder with locking element Apr. 4, 2000
5417508 Reusable/refillable spiral binder May. 23, 1995
5299898 Method of and apparatus for binding stacks of superimposed sheets Apr. 5, 1994
5183296 Photograph album and method for making same Feb. 2, 1993
5040216 Photo album assembly and package Aug. 13, 1991
5015114 Modular loose leaf binder system and a binder ring used therein May. 14, 1991
4984924 Loose leaf holder Jan. 15, 1991
4880327 Gravity lock bookstand and binder Nov. 14, 1989
4840406 Method of mounting index tabs upon stenographic notebooks Jun. 20, 1989
4601489 Album design and method of fabrication Jul. 22, 1986
4551039 Binder assembly with randomly removable leaves Nov. 5, 1985
4479733 Dual-function looseleaf binder sheets Oct. 30, 1984
3970397 Business card system Jul. 20, 1976

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