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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 402/3.8R
Name: Binder device releasably engaging aperture or notch of sheet >
Description:


Sub-classes under this class:

Class Number Class Name Patents
402/1 Sheet retainer with separate aperture making device (e.g., paper punch, etc.) 28
402/19 Resilient sheet retainer requiring deflection for sheet removal 59
402/2 Sheet retainer with lock and discrete key operated release means 6
402/24 Sheet retainer including sheet guide means 15
402/25 Sheet retainer with means to force sheet thereon 5
402/26 Sheet retainer travels arcuate path 75
402/3 Binder with visual identification means 36
402/4 Combined 187
402/46 Opposed sheet retainers involving relative rectilinear travel 39
402/5 Pivotal link type sheet retainer 7
402/500 Binder with tab or fastener for securing sheet 46
402/501 Sheet retainer continuous with periphery of sheet notch 15
402/502 Container with sheet retainer 57
402/503 Binder device, sheet or depository including magnetic material 20
402/57 Coiled spring type sheet retainer 30
402/58 Segmental sheet retainer 8
402/60 Sheet retainer with releasable keeper (e.g., hold down, etc.) 72
402/7 Sheet retainer also serves to insert binder strand through sheet 16
402/70 Sheet retainer with base or depository 163
402/73 Depository (e.g., binder cover, etc.) 305
402/79 Sheet 394
402/8 Pliant, deformable sheet retainer (e.g., cord, band, strap, etc.) 80
402/80R Miscellaneous 282


Patents under this class:

Patent Number Title Of Patent Date Issued



 
 
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