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Class Information
Number: 402/51
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 > Remote from retainer > Screw threaded means
Description: Device wherein the remote means to drive or secure is in the form of (1) a mechanism including a helically grooved elongated element.

Patents under this class:

Patent Number Title Of Patent Date Issued
6666609 Flip chart holder Dec. 23, 2003
6174100 Pin binding assembly Jan. 16, 2001
5967689 Binder file Oct. 19, 1999
D373599 Photo album Sep. 10, 1996
4772149 Sheet binder mechanism Sep. 20, 1988

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