Binder device releasably engaging aperture or notch of sheet – Sheet
Patent
1975-03-06
1976-07-20
Schnall, Jerome
Binder device releasably engaging aperture or notch of sheet
Sheet
402501, 40360, B42F 300
Patent
active
039703975
ABSTRACT:
The business information is carried in a field having the area of a standard business card, e.g. 2 .times. 31/2 inches, on a larger card, e.g. 3 .times. 5 inches. Perforations or markings provided on the card predetermine where areas of the large card are to be severed from the remainder to size the resulting card for use with any of several card filing systems. By preference, a plurality of parallel ones of the perforations or markings and an adjacent edge are bordered with generally T-shaped slots so the resulting card may be filed on standard roll, wheel and arched tray-type index card holders of a plurality of different size formats.
REFERENCES:
patent: 958008 (1910-05-01), Razall
patent: 1172010 (1916-02-01), Cooke
patent: 1428102 (1922-09-01), Kelly
patent: 1429436 (1922-09-01), Kelly
patent: 1567406 (1925-12-01), Wilke
patent: 2213666 (1940-09-01), Burke
patent: 2321184 (1943-06-01), Butterworth
patent: 2852278 (1958-09-01), Dere
patent: 2955849 (1960-10-01), Schussler
Rubinstein Julius
Schnall Jerome
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