Loose-leaf binder

Details Loose-leaf binder Loose-leaf binder

2008-03-11

2008-03-11

Ross, Dana (Department: 3722)

Binder device releasably engaging aperture or notch of sheet

Sheet retainer with releasable keeper

C402S005000, C024S614000

Reexamination Certificate

active

10838192

ABSTRACT:
A loose-leaf binder has a back, a binder made of a flexible material and attached to the back and two end plugs mounted respectively in ends of the back. The back has two tracks, two side slots and a middle slot. The binder has multiple open rings having two ends. Each plug has two side tines and a middle tine. A notebook with the loose-leaf papers can be easily attached to or detached from the loose-leaf binder by attaching or detaching the open rings of the binder to punched holes in the notebook simultaneously.

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patent: 431454 (1967-08-01), None
patent: 2422577 (2006-08-01), None

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