Patent US5272640A successfully refreshed from Google Patents.
US3286618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water reservoir thermal circulator and flow control for brewing machine
Assignee: Individual
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Filing: 1965-09-10
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Granted: 1966-11-22
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Expires: 1985-09-10
Abstract
No abstract record available.
Inventors
- 👤 Barrera Jose Marlet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:13
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/44; A47J31/54; A47J31/24; A47J31/40; A47J31/402
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
A COMBINED WATER RESERVOIR, THERMAL CIRCULATOR AND FLOW CONNTROL APPARATUS FOR A BREW-MAKING MACHINE, COMPRISING A COMPLETELY ENCLOSED WATER RESERVOIR, A PARTITION DIVIDING THE RESERVOIR INTO UPPER AND LOWER CHAMBERS, MEANS FOR ADMITTING COLD WATER UNDER PRESSURE TO SAID LOWER CHAMBER, WATER HEATING MEANS IN THE LOWER CHAMBER, A PAIR OF PIPES ONE EXTENDING UPWARDLY AND THE OTHER DOWNWARDLY FROM SAID PARTITION FOR COMMUNICATING SAID CHAMBERS TO OBTAIN A THERMAL CIRCULATION OF HEATED WATER TO SAID UPPER CHAMBER AND COOLED WATER FROM THE UPPER TO THE LOWER CHAMBER, AND VALVE CONTROLLED METERING MEANS COMMUNICATING WITH SAID UPPER CHAMBER AND AN INFUSER AND OPERABLE BY PRESSURE OF LIQUID IN SAID UPPER CHAMBER TO DISCHARGE A MEASURED QUANTITY OF HOT WATER OF THE INFUSER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |