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