Coffee filter retaining insert

Details Coffee filter retaining insert Coffee filter retaining insert

1995-08-22

1996-07-16

Walker, W. L.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Material level or thickness responsive

210232, 210477, 210482, 99295, 99305, B01D 29085

Patent

active

055363938

ABSTRACT:
A coffee filter retaining insert including a retaining body having a first section that is slidably positionable with respect to a second section thereof to provide a variable diameter enclosure area, at least four resilient standoff arms having a first end secured to the exterior of the retaining body, a plurality of spaced, parallel oriented, coffee ground level indicators disposed along the interior wall of the retaining body, and a indicator assembly secured to the interior wall adjacent the spaced level indicators having a marking bead positionable along a rod member running perpendicular to the orientation of the level indicators.

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patent: 4963262 (1990-10-01), Johnstone
patent: 5064533 (1991-11-01), Anson
patent: 5211104 (1993-05-01), Arpin
patent: 5252211 (1993-10-01), Searfoss, Jr.
patent: 5290444 (1994-03-01), Campbell

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