Binder device releasably engaging aperture or notch of sheet – Combined
Patent
1981-01-29
1983-08-23
Bell, Paul A.
Binder device releasably engaging aperture or notch of sheet
Combined
312184, 402 70, 402 80R, 402 80P, 402 39, 281 15A, B42F 1326, B42F 1500
Patent
active
044001070
ABSTRACT:
File folders of the type having hooks to permit suspension for storage, and further including appendages to permit binding or compartmentalization of materials. The folder may contain loose-leaf binding rings, permanently or detachably mounted to the base. Alternatively, the folders are perforated at the base to hold a spiral binder for materials. The folders can be provided with telescoping side members to achieve an accordion-like effect. Such folders may additionally include permanent or removable divider panels.
REFERENCES:
patent: 3885726 (1975-05-01), Fridlund et al.
patent: 4302123 (1981-11-01), Dengler et al.
patent: 4315696 (1982-02-01), Ermanski et al.
Bell Paul A.
Dennison Manufacturing Company
Josephs Barry D.
Kersey George E.
Moore Arthur B.
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