Paper clip

Details Paper clip Paper clip

1979-07-26

1980-12-09

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Strap-end-attaching devices

Buckle connected

24 67R, 24 673, 24 679, D19 65, B42F 102, A44B 2100

Patent

active

042375878

ABSTRACT:
A paper clip formed as an essentially unitary loop is made of resilient material and comprises an isosceles triangle base portion, a first clipping portion and a second clipping portion. The first clipping portion and the second clipping portion can clip positively the documents in different directions respectively.

REFERENCES:
patent: D24873 (1895-11-01), Merrill et al.
patent: D28534 (1898-05-01), Thomson
patent: 868747 (1907-10-01), Alter
patent: 1167734 (1916-01-01), Anderson
patent: 1310587 (1919-07-01), Sumersille
patent: 2518179 (1950-08-01), Quinby et al.
patent: 2908954 (1959-10-01), Chaun
patent: 2910749 (1959-11-01), Parker
patent: 2976594 (1961-03-01), Fauteux
patent: 4170052 (1979-10-01), Okerblom

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