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Class Information
Number: 402/52
Name: Binder device releasably engaging aperture or notch of sheet > Opposed sheet retainers involving relative rectilinear travel > Telescopic retainers with means to telescopically drive and/or secure > Notched or grooved means
Description: Device wherein the means to drive or secure the opposing telescopic first and second sheet retainers includes at least one recess or aperture in a surface of one of the sheet retainers and means associated with the other sheet retainer for engaging said recess or aperture.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6276862 |
Binder mechanism |
Aug. 21, 2001 |
| 6126354 |
Reusable binding system and method |
Oct. 3, 2000 |
| 5593243 |
Binder |
Jan. 14, 1997 |
| 5423624 |
Hinged loose-leaf retainer system |
Jun. 13, 1995 |
| 5338125 |
Modular book binder |
Aug. 16, 1994 |
| 5074696 |
Binding fastener assembly |
Dec. 24, 1991 |
| 4940353 |
Holder for paper-keeping bags |
Jul. 10, 1990 |
| 4932804 |
Loose leaf retainer for file folders |
Jun. 12, 1990 |
| 4930927 |
Tamper-proof binder for photographs and the like |
Jun. 5, 1990 |
| 4820075 |
Filing device |
Apr. 11, 1989 |
| 4730972 |
Book binding method, paper sheets binder and adjustable spine |
Mar. 15, 1988 |
| 4307972 |
Looseleaf books with plastic posts |
Dec. 29, 1981 |
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