Flexible bags – Selectively adjustable volume
Patent
1993-06-10
1994-06-28
Shoap, Allan N.
Flexible bags
Selectively adjustable volume
383 86, 190103, B65D 3010
Patent
active
053241150
ABSTRACT:
A soft-sided tote bag is convertible between expanded and retracted states by selective operation of a zipper. The interior of the bag is enclosed in both states by two pairs of end flaps.
REFERENCES:
patent: 1137047 (1915-04-01), Bushwick
patent: 1866241 (1932-07-01), Vineberg
patent: 3425470 (1969-02-01), Wuest
patent: 4919240 (1990-04-01), Tobias
patent: 5172838 (1992-12-01), Rowall et al.
Pascua Jes F.
Shoap Allan N.
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