Filter for brewing coffee or the like

Details Filter for brewing coffee or the like Filter for brewing coffee or the like

1977-12-28

1980-09-02

Cuchlinski, Jr., William A.

Liquid purification or separation

Filter

Resting on supporting receiver, e.g., portable

210497R, B01D 2302

Patent

active

042205417

ABSTRACT:
A filter for exterior supportless brewing of coffee and the like consisting of an annular sector disc carton and a circular filter paper. The filter paper is placed concentrically in the disc carton when folded in a funnel fashion. A recess of triangular shape can be provided in the outer periphery to form a collar on the funnel.

REFERENCES:
patent: 752019 (1903-05-01), Adwen
patent: 3567033 (1971-03-01), Whelan
patent: 3741397 (1973-06-01), Gerson et al.
patent: 4064053 (1977-12-01), Gerson et al.

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