File fastener

Details File fastener File fastener

1994-10-14

1997-06-24

Han, Frances

Binder device releasably engaging aperture or notch of sheet

Pliant, deformable sheet retainer

402 14, 402 75, 402 80R, B42F 1300

Patent

active

056412347

ABSTRACT:
A file fastener, which is of a flat metal strip having top and bottom surfaces with narrow side surfaces therebetween, includes an elongate body portion. A prong extends from each end of the body portion, with at least the side surfaces of the prongs having a protective coating. The invention extends to a string of file fasteners, each file fastener being of a flat metal strip and having an elongate body portion. A prong extends from each end of the body portion, with the file fasteners being connected via frangible bridges. The invention also extends to a method of manufacturing file fasteners.

REFERENCES:
patent: 428575 (1890-08-01), Dimatteo
patent: 1465783 (1923-08-01), Polzer
patent: 3741385 (1973-06-01), Corey
patent: 3867743 (1975-02-01), Corey
patent: 4950097 (1990-08-01), Blumberg
patent: 4993861 (1991-02-01), Blumberg et al.
patent: 5059051 (1991-10-01), Corey

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