Brewing device for a household expresso coffee machine
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United States of America Patent
Stats
-
Jun 18, 1996
Grant Date -
N/A
app pub date -
Sep 27, 1994
filing date -
Apr 11, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The brewing device is composed of a housing part including a piston, vertically slidable in the housing part. On the housing part, a filter basket holder is mounted which is pivoted horizontally about the tilting axis and is provided with a filter basket to be filled with ground coffee. When the piston is lowered and reaches into the filter basket (i.e., its working position), the filter basket forms with it a pressure chamber, in which the ground coffee is enclosed, into which, on the piston side, hot water under pressure is urged through a conduit, and from which, on the filter basket holder side, the prepared espresso coffee beverage is discharged through at least one outlet opening. When the piston is lifted, the filter basket holder with the filter basket can be swung about a vertically extending tilting axis out of the range of effect of the piston. The tilting range of the filter basket holder reaches from its working position to its feed position, in which the filter basket is accessible from the outside. Only in its working position is the filter basket holder secured in respect of the housing part against movement in a vertical direction by supporting elements provided on both the filter basket holder and the housing part.

First Claim
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
BRAUN AKTIENGESELLSCHAFT | KRONBERG |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hufnagl, Walter | Sulzbach, DE | 9 | 209 |
Klawuhn, Manfred | Frankfurt am Main, DE | 23 | 680 |
Muller, Roland | Dreieich, DE | 57 | 965 |
Schafer, Gerhard | Frankfurt am Main, DE | 72 | 1239 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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