Binder device releasably engaging aperture or notch of sheet – Binder with visual identification means
Patent
1978-12-15
1980-02-26
Spicer, Jr., Robert L.
Binder device releasably engaging aperture or notch of sheet
Binder with visual identification means
402 43, B42F 300
Patent
active
041903749
ABSTRACT:
A binder for hole-punched papers having a pair of covers and a spine, the outer side edges of which are connected to one of the covers, the spine being divided into a pair of longitudinally extending half-sections, having adjacent longitudinally extending inner edges. One of the half-sections has at least one rigid member extending transversely across substantially the entire width of the spine, to form a label holder and the other half section is provided with a recess for accommodating the rigid member in relationship in the closed position of the covers, the rigid member being accessible for insertion and removal of a label in the open position of the covers.
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patent: 3807883 (1974-04-01), Karlsson
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patent: 3980360 (1976-09-01), Wright et al.
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