Aroma-preserving canister

Details Aroma-preserving canister Aroma-preserving canister

2005-08-16

2005-08-16

Luong, Shian T. (Department: 3728)

Special receptacle or package

For mixing

Means to manipulate without rupture

C215SDIG008

Reexamination Certificate

active

06929119

ABSTRACT:
An improved canister for preserving aroma of coffee or spices includes a hollow body and a cap sealing the body. An elastic disk sealing the canister is placed inside the canister under the cap. The disk has a major stationary portion and a minor movable portion. The cap, the body of the canister or the movable portion includes an element for pressing and bending the disk movable portion downwardly when the canister is capped. The disk movable portion is retracted back to its original sealing position when the canister is uncapped.

REFERENCES:
patent: 2446085 (1948-07-01), Gronemeyer
patent: 3091374 (1963-05-01), Scharyzman
patent: 3563413 (1971-02-01), Gordon
patent: 4195730 (1980-04-01), Hunt
patent: 4264007 (1981-04-01), Hunt
patent: 4634003 (1987-01-01), Ueda et al.
patent: 4776972 (1988-10-01), Barrett
patent: 4863017 (1989-09-01), Vlock
patent: 5346105 (1994-09-01), Onneweer
patent: 6386872 (2002-05-01), Mukasa et al.
patent: 6513650 (2003-02-01), Mollstam et al.
patent: 484 326 (1938-05-01), None
patent: 11-208702 (1999-08-01), None

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