Tabulated sheet protectors

Details Tabulated sheet protectors Tabulated sheet protectors

1982-07-29

1985-05-14

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Sheet

281 46, 283 38, 283 40, B42F 1300, B42F 2100, B42F 2102, B42D 1700

Patent

active

045168717

ABSTRACT:
A sheet protector formed of upper and lower layers of substantially transparent plastic material. A pair of complementary tabs each laterally extending from the edges of the respective layers are integrally formed therewith. Heat sealing is utilized for securing together at least some of the peripheries of the layers as well as the matching tabs. An opening is provided to define in combination with the layers a receiving pocket whereby a sheet may be inserted in the pocket. A looseleaf type binder is provided for holding a plurality of the sheet protectors. The tab positions of the respective sheet protectors in the binder are sequentially indexed with respect to each other to provide a set of position selectable sheet protectors.

REFERENCES:
patent: 1018459 (1912-02-01), Walker, Jr.
patent: 1172010 (1916-02-01), Cooke, Jr.
patent: 1488616 (1924-04-01), Robbins
patent: 2303671 (1942-12-01), Walraven
patent: 2509841 (1950-05-01), Rose
patent: 2936680 (1960-05-01), Copen
patent: 2986144 (1961-05-01), Shepard
patent: 3324823 (1967-06-01), Peters

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