Air-tight coffee storage container

Details Air-tight coffee storage container Air-tight coffee storage container

2005-09-20

2005-09-20

Gerrity, Stephen F. (Department: 3721)

Package making

Methods

With contents treating

C053S510000

Reexamination Certificate

active

06945014

ABSTRACT:
A coffee storage container, for storing a quantity of coffee within a jar having a bottom and a side wall, and using a piston having a top and bottom, and a one-way valve. The quantity of coffee is placed in the jar bottom. The piston extends within the jar and defines a storage volume beneath the piston bottom. A stem is selectively attached to the piston top to push the piston downward to allow air to escape through the one-way valve so that the storage volume becomes substantially the coffee volume and little or no air remains within the storage volume. The stem may be removed from the piston for storage.

REFERENCES:
patent: 297854 (1884-04-01), Sample
patent: 1978025 (1934-10-01), McCown
patent: 2096358 (1937-10-01), Gautier
patent: 2172457 (1939-09-01), Hyman
patent: 2190203 (1940-02-01), Barnard
patent: 2726012 (1955-12-01), Jensen
patent: 3924774 (1975-12-01), Donnelly
patent: 4218967 (1980-08-01), Batchelor
patent: 4744204 (1988-05-01), Schlegel
patent: 5469979 (1995-11-01), Chiou

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