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Class Information
Number: 402/904
Name: Binder device releasably engaging aperture or notch of sheet >

Sub-classes under this class:

Class Number Class Name Patents
402/1 Sheet retainer with separate aperture making device (e.g., paper punch, etc.) 29
402/19 Resilient sheet retainer requiring deflection for sheet removal 87
402/2 Sheet retainer with lock and discrete key operated release means 7
402/24 Sheet retainer including sheet guide means 17
402/25 Sheet retainer with means to force sheet thereon 5
402/26 Sheet retainer travels arcuate path 99
402/3 Binder with visual identification means 39
402/4 Combined 201
402/46 Opposed sheet retainers involving relative rectilinear travel 44
402/5 Pivotal link type sheet retainer 13
402/500 Binder with tab or fastener for securing sheet 57
402/501 Sheet retainer continuous with periphery of sheet notch 15
402/502 Container with sheet retainer 66
402/503 Binder device, sheet or depository including magnetic material 21
402/57 Coiled spring type sheet retainer 33
402/58 Segmental sheet retainer 11
402/60 Sheet retainer with releasable keeper (e.g., hold down, etc.) 77
402/7 Sheet retainer also serves to insert binder strand through sheet 23
402/70 Sheet retainer with base or depository 190
402/73 Depository (e.g., binder cover, etc.) 347
402/79 Sheet 420
402/8 Pliant, deformable sheet retainer (e.g., cord, band, strap, etc.) 88
402/80R Miscellaneous 298

Patents under this class:

Patent Number Title Of Patent Date Issued

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