Ring binder assembly device to insure the perfected closure...

Details Ring binder assembly device to insure the perfected closure... Ring binder assembly device to insure the perfected closure...

2006-10-24

2006-10-24

Ackun, Jacob K. (Department: 3722)

Binder device releasably engaging aperture or notch of sheet

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Reexamination Certificate

active

07125190

ABSTRACT:
The invention provides a ring binder assembly device to insure the perfected closure of loose leaf binder rings. Enclosure of binder rings with the device of the invention will repair and prevent ring misalignment.

REFERENCES:
patent: 805575 (1905-11-01), Morden
patent: 826656 (1906-07-01), Gerow
patent: 1664198 (1928-03-01), Dvorak
patent: 1885461 (1932-11-01), Mcmillan
patent: 4519504 (1985-05-01), Nausedas
patent: 4690580 (1987-09-01), Kissel
patent: 5765956 (1998-06-01), Lanzarin
patent: 6146049 (2000-11-01), Faris

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