What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
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363-131 121-55A 14-.5
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Class Number: 402 Class Title: BINDER DEVICE RELEASABLY ENGAGING APERTURE OR NOTCH OF SHEET Subclass Subclass Number Title 1 SHEET RETAINER WITH SEPARATE APERTURE MAKING DEVICE (E.G., PAPER PUNCH, ETC.) 2 SHEET RETAINER WITH LOCK AND DISCRETE KEY OPERATED RELEASE MEANS 3 BINDER WITH VISUAL IDENTIFICATION MEANS 4 COMBINED 5 PIVOTAL LINK TYPE SHEET RETAINER 6 .With means to apply tension thereto 7 SHEET RETAINER ALSO SERVES TO INSERT BINDER STRAND THROUGH SHEET 8 PLIANT, DEFORMABLE SHEET RETAINER (E.G., CORD, BAND, STRAP, ETC.) 9 .With means to apply tension thereto 10 ..Reel type 11 ..Rack or screw type 12 .Endless 13 .Flaccid retainer secured by knotted, intertwined or wedge portion 14 .Secured by folded portion thereof 15 ..Cooperating with holder therefor 16 ...Pivoted holder 17 ...Slidable holder 18 ..With depository attaching means 19 RESILIENT SHEET RETAINER REQUIRING DEFLECTION FOR SHEET REMOVAL 20 .Opposed sheet retainers 21 .Releasably attached to keeper 22 ..One end permanently secured 23 ...On discrete hinge pin 24 SHEET RETAINER INCLUDING SHEET GUIDE MEANS 25 SHEET RETAINER WITH MEANS TO FORCE SHEET THEREON 26 SHEET RETAINER TRAVELS ARCUATE PATH 27 .Coplanar with axis of rotation 28 ..Preceded by a rectilinear travel 29 .Travel in plane perpendicular to axis of rotation 30 ..Preceded by rectilinear travel 31 ..Opposed sheet retainers (e.g., ring binders, etc.) 32 ...Spacing of adjacent retainers adjustable 33 ...Opening between retainers adjustable in predetermined increments 34 ...Stationary retainer with traveling opposed retainer 35 ....Spring biased 36 ...Hinged on spaced axes 37 ....Toggle-type arrangement 38 .....With actuator to open or close retainers 39 .....Including abutting mated components 40 ......Toggle and adjacent retainers of one-piece rod 41 ....With actuator to open or close retainers 42 ...Rotatable on discrete hinge pin 43 ....Plural pairs of opposed retainers independently operable 44 ....Offset retainers 45 ..Opposed keeper cooperating therewithh 46 OPPOSED SHEET RETAINERS INVOLVING RELATIVE RECTILINEAR TRAVEL 47 .With or including separable sheet transfer means 48 .Telescopic retainers with means to telescopically drive and/or secure 49 ..Pivoted linkage system 50 ..Remote from retainer 51 ...Screw threaded means 52 ..Notched or grooved means 53 ...Screw threaded 54 ..Wedge type securing means 55 .Travel from aligned to offset position 56 .Travel from aligned to aligned, spaced position 57 COILED SPRING TYPE SHEET RETAINER 58 SEGMENTAL SHEET RETAINER 59 .With keeper 60 SHEET RETAINER WITH RELEASABLE KEEPER (E.G., HOLD DOWN, ETC.) 61 .Keeper cooperating with retainer of varying cross-section 62 ..Apertured retainer 63 ..Notched or grooved retainer (e.g., screw threaded, etc.) 64 .Keeper including wedge type securing means 65 ..Skew locked 66 ...Spring wedge element 67 ..With screw threaded wedge driving means 68 .Keeper including apertured or recessed sheet retainer receiving component 69 ..Spring biased 70 SHEET RETAINER WITH BASE OR DEPOSITORY 71 .With sheet retainer guard 72 .Collapsible on base 73 DEPOSITORY (E.G., BINDER COVER, ETC.) 74 .Face member with back member 75 ..Including means to attach sheet retainer or binder device 76 ..Back member including hinged portions 77 ..Hinged at juncture 78 .Face member 79 SHEET 80 R MISCELLANEOUS 80 L .Sheet lifters 80 P .Plastic * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 500 BINDER WITH TAB OR FASTENER FOR SECURING SHEET 501 SHEET RETAINER CONTINUOUS WITH PERIPHERY OF SHEET NOTCH 502 CONTAINER WITH SHEET RETAINER 503 BINDER DEVICE, SHEET OR DEPOSITORY INCLUDING MAGNETIC MATERIAL