| Class Number |
Class Name |
No. of Patents |
| 402/503 |
Binder device, sheet or depository including magnetic material |
20 |
| 402/500 |
Binder with tab or fastener for securing sheet |
46 |
| 402/3 |
Binder with visual identification means |
35 |
| 402/57 |
Coiled spring type sheet retainer |
29 |
| 402/4 |
Combined |
185 |
| 402/502 |
Container with sheet retainer |
57 |
| 402/73 |
Depository (e.g., binder cover, etc.) |
302 |
| 402/74 |
Face member with back member |
29 |
| 402/76 |
Back member including hinged portions |
29 |
| 402/77 |
Hinged at juncture |
34 |
| 402/75 |
Including means to attach sheet retainer or binder device |
106 |
| 402/78 |
Face member |
13 |
| 402/80R |
Miscellaneous |
281 |
| 402/80P |
Plastic |
89 |
| 402/80L |
Sheet lifters |
27 |
| 402/46 |
Opposed sheet retainers involving relative rectilinear travel |
39 |
| 402/48 |
Telescopic retainers with means to telescopically drive and/or secure |
22 |
| 402/52 |
Notched or grooved means |
12 |
| 402/53 |
Screw threaded |
9 |
| 402/49 |
Pivoted linkage system |
4 |
| 402/50 |
Remote from retainer |
1 |
| 402/51 |
Screw threaded means |
5 |
| 402/54 |
Wedge type securing means |
12 |
| 402/56 |
Travel from aligned to aligned, spaced position |
11 |
| 402/55 |
Travel from aligned to offset position |
12 |
| 402/47 |
With or including separable sheet transfer means |
13 |
| 402/5 |
Pivotal link type sheet retainer |
6 |
| 402/6 |
With means to apply tension thereto |
4 |
| 402/8 |
Pliant, deformable sheet retainer (e.g., cord, band, strap, etc.) |
79 |
| 402/12 |
Endless |
9 |
| 402/13 |
Flaccid retainer secured by knotted, intertwined or wedge portion |
35 |
| 402/14 |
Secured by folded portion thereof |
41 |
| 402/15 |
Cooperating with holder therefor |
44 |
| 402/16 |
Pivoted holder |
5 |
| 402/17 |
Slidable holder |
27 |
| 402/18 |
With depository attaching means |
15 |
| 402/9 |
With means to apply tension thereto |
12 |
| 402/11 |
Rack or screw type |
0 |
| 402/10 |
Reel type |
3 |
| 402/19 |
Resilient sheet retainer requiring deflection for sheet removal |
59 |
| 402/20 |
Opposed sheet retainers |
26 |
| 402/21 |
Releasably attached to keeper |
21 |
| 402/22 |
One end permanently secured |
20 |
| 402/23 |
On discrete hinge pin |
3 |
| 402/58 |
Segmental sheet retainer |
8 |
| 402/59 |
With keeper |
6 |
| 402/7 |
Sheet retainer also serves to insert binder strand through sheet |
16 |
| 402/501 |
Sheet retainer continuous with periphery of sheet notch |
15 |
| 402/24 |
Sheet retainer including sheet guide means |
15 |
| 402/26 |
Sheet retainer travels arcuate path |
74 |
| 402/27 |
Coplanar with axis of rotation |
10 |
| 402/28 |
Preceded by a rectilinear travel |
5 |
| 402/29 |
Travel in plane perpendicular to axis of rotation |
7 |
| 402/45 |
Opposed keeper cooperating therewith |
10 |
| 402/31 |
Opposed sheet retainers (e.g., ring binders, etc.) |
74 |
| 402/36 |
Hinged on spaced axes |
65 |
| 402/37 |
Toggle-type arrangement |
23 |
| 402/39 |
Including abutting mated components |
35 |
| 402/40 |
Toggle and adjacent retainers of one-piece rod |
8 |
| 402/38 |
With actuator to open or close retainers |
81 |
| 402/41 |
With actuator to open or close retainers |
64 |
| 402/33 |
Opening between retainers adjustable in predetermined increments |
4 |
| 402/42 |
Rotatable on discrete hinge pin |
15 |
| 402/44 |
Offset retainers |
5 |
| 402/43 |
Plural pairs of opposed retainers independently operable |
5 |
| 402/32 |
Spacing of adjacent retainers adjustable |
8 |
| 402/34 |
Stationary retainer with traveling opposed retainer |
23 |
| 402/35 |
Spring biased |
10 |
| 402/30 |
Preceded by rectilinear travel |
8 |
| 402/70 |
Sheet retainer with base or depository |
163 |
| 402/72 |
Collapsible on base |
15 |
| 402/71 |
With sheet retainer guard |
5 |
| 402/2 |
Sheet retainer with lock and discrete key operated release means |
6 |
| 402/25 |
Sheet retainer with means to force sheet thereon |
5 |
| 402/60 |
Sheet retainer with releasable keeper (e.g., hold down, etc.) |
71 |
| 402/61 |
Keeper cooperating with retainer of varying cross-section |
16 |
| 402/62 |
Apertured retainer |
18 |
| 402/63 |
Notched or grooved retainer (e.g., screw threaded, etc.) |
38 |
| 402/68 |
Keeper including apertured or recessed sheet retainer receiving component |
60 |
| 402/69 |
Spring biased |
12 |
| 402/64 |
Keeper including wedge type securing means |
30 |
| 402/65 |
Skew locked |
4 |
| 402/66 |
Spring wedge element |
2 |
| 402/67 |
With screw threaded wedge driving means |
0 |
| 402/1 |
Sheet retainer with separate aperture making device (e.g., paper punch, etc.) |
28 |
| 402/79 |
Sheet |
394 |
