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Class Information
Number: 402/72
Name: Binder device releasably engaging aperture or notch of sheet > Sheet retainer with base or depository > Collapsible on base
Description: Device wherein the sheet retainer* is rotated so as to lie in a plane parallel or substantially parallel with the support means.










Patents under this class:

Patent Number Title Of Patent Date Issued
7891901 Ready lock ring binder mechanism Feb. 22, 2011
7798737 Collapsible ring binder and uses thereof Sep. 21, 2010
7762734 Ring binder mechanism Jul. 27, 2010
7097378 Accessory for a writing board, file or the like which is equipped with such an accessory Aug. 29, 2006
6966721 Wrap-around notebook Nov. 22, 2005
6106014 Packet for storing photo-related products Aug. 22, 2000
5908258 Variable volume file for documents Jun. 1, 1999
5503486 Notebook and notebook cover assembly Apr. 2, 1996
4966486 Binder assembly Oct. 30, 1990
4943177 Document organizer Jul. 24, 1990
4792253 Binder ring having slip-on folio stops Dec. 20, 1988
4583708 Hanger equipment for printed matter such as telephone directories Apr. 22, 1986
4515493 Portable desk and briefcase May. 7, 1985
4400161 Graphic display and tonal value determinator Aug. 23, 1983
4377271 Collapsible binders and the like Mar. 22, 1983
4290217 List finder Sep. 22, 1981
4269530 Document retaining system May. 26, 1981
4240761 Looseleaf binder-display stand Dec. 23, 1980











 
 
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