Permanent coffee filter

Details Permanent coffee filter Permanent coffee filter

1987-12-15

1989-05-23

Wyse, Tom

Liquid purification or separation

Filter

Handled

210455, 210474, 210478, 2104473, 99306, 99323, B01D 2328

Patent

active

048328456

ABSTRACT:
The present invention relates to a reusable or permanent filter assembly useful in positioning and retaining the ground roast of coffee or tea in a hot water beverage maker. The plastic filter assembly consists of a separable outer container and an inner/perforated filtering element. The filtering element contains a plurality of equidistant holes or perforations that permits the rapid drip of a preferred beverage from the filter assembly.

REFERENCES:
patent: 3935112 (1976-01-01), Greutert
patent: 4080299 (1978-03-01), Bartolome
patent: 4231876 (1980-11-01), Zimmermann et al.
patent: 4255265 (1981-03-01), Greutert
patent: 4728425 (1988-03-01), Sandvig

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