Looseleaf binder having a removable protective envelope and meth

Details Looseleaf binder having a removable protective envelope and meth Looseleaf binder having a removable protective envelope and meth

1990-07-30

1991-12-03

Eley, Timothy V.

Binder device releasably engaging aperture or notch of sheet

Depository

281 29, 206424, 206497, B42F 1300

Patent

active

050695681

ABSTRACT:
A looseleaf binder having a protective envelope that encases the front and rear flaps and spine of the binder such that the binder can be opened to view the interior of binder while protecting the binder cover from dust and other substances. The protective envelope is wrapped around the binder prior to attaching a ring binder unit to the cover, and joined to itself along the periphery of the binder. The ring binder unit is then attached to the interior of the spine through the envelope so the front and rear flaps foldably enclose the ring binder unit. The protective envelope may be removed from the binder without damaging or blemishing the binder.

REFERENCES:
patent: 3215450 (1965-11-01), Peterson et al.
patent: 3270749 (1966-09-01), O'Connell
patent: 3318618 (1967-05-01), Mullen et al.
patent: 4582442 (1986-04-01), Rager
patent: 4583877 (1986-04-01), Wilson
patent: 4722628 (1988-02-01), Rager

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