Purses – wallets – and protective covers – Protective cover made of flaccid material – For a racquet
Patent
1974-09-19
1976-02-24
Norton, Donald F.
Purses, wallets, and protective covers
Protective cover made of flaccid material
For a racquet
B65D 3700
Patent
active
039398889
ABSTRACT:
A resuable container made of elastic material which is formed with sections of different geometry wherein when the container is opened it will self-expand to a fully extended position. However, when pressure is applied to the top of said container it will progressively collapse from the top to the bottom thereof thereby allowing reduction of volumetric dimension substantially equal to the substance contained therein for easy access to that substance. An air tight closure is tightened about the access opening while the container is held in collapsed condition whereby a partial vacuum is then created therein.
REFERENCES:
patent: 1811574 (1931-06-01), Barrett
patent: 2685316 (1954-08-01), Krasno
patent: 2899110 (1959-08-01), Parker
patent: 3083877 (1963-04-01), Gash
patent: 3143429 (1964-08-01), Swanson
patent: 3199701 (1965-08-01), Santelli
patent: 3434589 (1969-03-01), Valtri
patent: 3547294 (1970-12-01), Williams
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