Dual-function looseleaf binder sheets

Details Dual-function looseleaf binder sheets Dual-function looseleaf binder sheets

1982-12-27

1984-10-30

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Sheet

281 2, 281 5, 402 80R, 402501, B42F 300

Patent

active

044797338

ABSTRACT:
This invention relates to looseleaf binder sheets, and more particularly to looseleaf binder sheets having the capability of being both securely retained in the binder from removal in response to forces acting in one direction, while also being easily removed against the binder when withdrawn in an alternate direction.

REFERENCES:
patent: 915789 (1909-03-01), McComb
patent: 1687859 (1928-10-01), Fontaine
patent: 2831538 (1958-04-01), Lishman
patent: 3315683 (1967-04-01), Rodriguez et al.

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