Looseleaf binder for computer paper

Details Looseleaf binder for computer paper Looseleaf binder for computer paper

1983-07-15

1985-07-09

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Depository

Face member with back member

402 77, B42F 1300, B42F 1316

Patent

active

045279233

ABSTRACT:
A looseleaf ring binder for computer paper having perforate longitudinal margins, the binder rings and paper perforations being arranged for passage of the rings selectively through perforations of opposite margins, or perforations of the same margin.

REFERENCES:
patent: 2884262 (1959-04-01), Stratton
patent: 2888934 (1959-06-01), Segal
patent: 3658364 (1972-04-01), Da Mert
patent: 4114869 (1978-09-01), Gladow et al.

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