Liquid purification or separation – Filter – Resting on supporting receiver – e.g. – portable
Patent
1996-04-17
2000-05-23
Drodge, Joseph W.
Liquid purification or separation
Filter
Resting on supporting receiver, e.g., portable
99295, 99306, 206 05, 206217, 426 82, 2104973, B01D 2905, A47J 3106
Patent
active
060656093
ABSTRACT:
A hot beverage brewing kit comprised of a double-walled cup and a cylindrical filter support stowable between the cup's walls is disclosed. A retaining ring secures a cone-shaped textile fabric filter to the filter support. The filter stows in a space between the bottom of the cup's fluid containing cavity and the cup's lower end cover. An upper end cover engages the cup's single-walled upper rim, and has a drinking aperture therein. An alternative embodiment of the kit includes a modified cup which has its outer bottom wall and outer side wall formed as an integral structure. A threaded joint toward the upper end of the outer side wall joins the integral outer bottom and side walls to the upper and inner portions of the modified cup.
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Copy of Swiss Gold "Cup o'coffee" package; Manufactured by Elfo, Switzerland. On sale, on or before Sep. 6, 1995; Starbuck's Cofee Company, U.S.A.
Drodge Joseph W.
Gerber Joseph E.
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