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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 402/53
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 > Screw threaded
Description: Device wherein the recess is in the form of a continuous helical groove.










Patents under this class:

Patent Number Title Of Patent Date Issued
D373599 Photo album Sep. 10, 1996
5498090 Apparatus for combining perforated papers into stacks Mar. 12, 1996
5224788 Direct access modular binder Jul. 6, 1993
4991990 Photograph album attachment assembly Feb. 12, 1991
4930927 Tamper-proof binder for photographs and the like Jun. 5, 1990
4822195 Multi-purpose album Apr. 18, 1989
4260274 Binder with magazine storage and hand tool Apr. 7, 1981
4175880 Device for interlocking perforated writing material Nov. 27, 1979
4126402 Binder with magazine storage Nov. 21, 1978











 
 
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