Resources Contact Us Home
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

  Recently Added Patents
Optimized delivery of web application code
Magnetic impedance element and magnetic sensor using the same
Integrated disk driving module including a stepping motor integrally formed with a base unit
Multichannel device utilizing a centralized out-of-band authentication system (COBAS)
Information distribution system, information distributing method, node, and recording medium
Method and composition for hyperthermally treating cells
  Randomly Featured Patents
Axially movable tool and guide
Nonlinear optic glassy fibers, methods of making and applications of the same
Fabric softeners having increased performance
Method of regulating immune function
Flange yoke and companion flange supported on a splined shaft
Agglomeration process for making granular detergents
Regenerative air heater
Multi-dowel drumstrick with protective sheath
Synchronization of computer system clock using a local gateway
Disk drive device, electronic apparatus and disk control method