Envelopes – wrappers – and paperboard boxes – File folder or file envelope – Hanging type
Patent
1977-02-07
1979-09-04
Schroeder, Werner H.
Envelopes, wrappers, and paperboard boxes
File folder or file envelope
Hanging type
24 305W, 24115A, 85 49, B65D 3330, B65D 7710
Patent
active
041665716
ABSTRACT:
A U-shaped shut-off clip for bags, flexible tubes or the like, having an over-all uniform cross-sectional area comprising opposed limbs interconnected by a web at transitory points, said limbs having a pliability-prone segment therein.
REFERENCES:
patent: 2988854 (1961-06-01), McKinley
patent: 3363628 (1968-01-01), Wood
patent: 3473430 (1969-10-01), Niedecker
Cohen Moshe I.
Schroeder Werner H.
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