Coffee brewer method and apparatus
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United States of America Patent
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Sep 27, 1994
Issued Date -
N/A
app pub date -
Oct 27, 1993
filing date -
Sep 1, 1992
priority date (Note) -
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Abstract
An apparatus for brewing coffee, tea or other beverages that has upper and lower chambers that move relative to each other. When the upper and lower chambers are joined, coffee and water are supplied to the upper brewing chamber which passes through a filter mounted on the top of the lower brewing chamber into the lower brewing chamber and the coffee grounds remain on the filter. A piston in the lower chamber forces air through the liquid to agitate it and sucks it through the filter into the lower chamber. The coffee flows from the lower chamber and then a single push rod separates the upper and lower chambers. A wiper blade then removes the coffee grounds from the filter while the chambers are separated after which the push rod reseals the upper and lower chambers together for the next brewing cycle.
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