US4448113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coffee refreshener
Assignee: Individual
•
Filing: 1982-09-29
•
Granted: 1984-05-15
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Expires: 2002-09-29
Abstract
Abstract An apparatus is disclosed for making a drip-type coffee beverage wherein the apparatus has a separate flow path for receiving and reheating a previously filtered coffee brew.
Inventors
- 👤 David L. Brabon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:04
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/04; A47J31/057; A47J31/44; A47J31/50
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
224 words
A drip coffee maker for brewing a coffee beverage from roasted and ground coffee, said drip coffee maker comprising: a drop brew basket filter means for receiving a bed of roasted and ground coffee; means for providing a predetermined quantity of heated water for drip extraction from said roast and ground coffee, the improvement comprising: a first liquid receiving means for receiving a predetermined quantity of water; a first means for heating said predetermined quantity of water; a first conduit communicating said heated water to said drip brew basket; a second liquid receiving means for receiving a predetermined amount of coffee extract; a first outlet; second conduit means independent of said first conduit means for communicating said coffee extract to said first outlet via said first heating means so as to reheat said coffee extract as said coffee extract passes thereby; a third liquid receiving means for receiving a predetermined quantity of water; a second means for heating said predetermined quantity of water in said third liquid receiving means; a second outlet; a third conduit for communicating said heated water in said third liquid receiving means to said second outlet independent of said drip brew basket; and said second means for communicating said coffee extract to said first outlet communicating same via both said first and second heating means for reheating said coffee extract.
Claim 2
Dependent Claim
224 words
A drip coffee maker for brewing a coffee beverage from roasted and ground coffee, said drip coffee maker comprising: a drop brew basket filter means for receiving a bed of roasted and ground coffee; means for providing a predetermined quantity of heated water for drip extraction from said roast and ground coffee, the improvement comprising: a first liquid receiving means for receiving a predetermined quantity of water; a first means for heating said predetermined quantity of water; a first conduit communicating said heated water to said drip brew basket; a second liquid receiving means for receiving a predetermined amount of coffee extract; a first outlet; second conduit means independent of said first conduit means for communicating said coffee extract to said first outlet via said first heating means so as to reheat said coffee extract as said coffee extract passes thereby; a third liquid receiving means for receiving a predetermined quantity of water; a second means for heating said predetermined quantity of water in said third liquid receiving means; a second outlet; a third conduit for communicating said heated water in said third liquid receiving means to said second outlet independent of said drip brew basket; and said second means for communicating said coffee extract to said first outlet communicating same via both said first and second heating means for reheating said coffee extract.
Claim 3
Dependent Claim
27 words
The drip of coffee maker defined in claim 1 further comprising: switch means for selectively energizing said first and second heating means for reheating said coffee extract.
Claim 4
Dependent Claim
183 words
A drip coffee maker for brewing a coffee beverage from roasted and ground coffee and for heating a cup of previously brewed coffee beverage, said drip coffee maker comprising: a drip brew basket filter means for receiving a bed of roasted and ground coffee; a first liquid receiving means for receiving a predetermined quantity of water; a first heating element for heating said predetermined quantity of water, said heating element having a leg portion; a first conduit communicating said heated water to said drip brew basket for providing a predetermined quantity of heated water for drip extraction from said roast and ground coffee; a second liquid receiving means for receiving a cup of previously brewed coffee beverage; a first outlet; and second conduit means independent of said first conduit means for communicating said previously brewed coffee beverage to said first outlet, said second conduit means having a coiled section disposed about said leg portion of said first heating element so as to reheat said previously brewed coffee beverage as said coffee beverage flows from said second liquid receiving means to said second outlet.
Claim 5
Dependent Claim
183 words
A drip coffee maker for brewing a coffee beverage from roasted and ground coffee and for heating a cup of previously brewed coffee beverage, said drip coffee maker comprising: a drip brew basket filter means for receiving a bed of roasted and ground coffee; a first liquid receiving means for receiving a predetermined quantity of water; a first heating element for heating said predetermined quantity of water, said heating element having a leg portion; a first conduit communicating said heated water to said drip brew basket for providing a predetermined quantity of heated water for drip extraction from said roast and ground coffee; a second liquid receiving means for receiving a cup of previously brewed coffee beverage; a first outlet; and second conduit means independent of said first conduit means for communicating said previously brewed coffee beverage to said first outlet, said second conduit means having a coiled section disposed about said leg portion of said first heating element so as to reheat said previously brewed coffee beverage as said coffee beverage flows from said second liquid receiving means to said second outlet.
Claim 6
Dependent Claim
102 words
The drip coffee maker defined in claim 3 further comprising: a third liquid receiving means for receiving a predetermined quantity of water in said third liquid receiving means; a second heating element for heating said predetermined quantity of water in said third liquid receiving means, said second heating element having a leg portion; a second outlet; a third conduit for communicating said heated water from said third liquid receiving means to said second outlet independent of said drip brew basket; and said coiled section of said second conduit means being disposed about both leg portions of said first and second heating elements.
Claim 7
Dependent Claim
28 words
The drip coffee maker defined in claim 4 further comprising: switch means for selectively energizing said first and second heating elements for reheating said previously brewed coffee beverage.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-15 | 1987-11-14 | 1988-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-15 | 1991-11-14 | 1992-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-15 | 1995-11-14 | 1996-05-15 | $7700.00 | Window Closed / Lapsed |