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US3092012A
Expired / Lapsed
US
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Brewing apparatus for coffee maker
Assignee: Hill Shaw Co
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Filing: 1961-04-06
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Granted: 1963-06-04
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Expires: 1981-04-06
Abstract
No abstract record available.
Inventors
- 👤 Edward J Ruhnke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:55
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/04; A47J31/057
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
IN A COFFEE MAKER INCLUDING MEANS FOR SUPPLYING HOT WATER UNDER PRESSURE TO A COFFEE CARTRIDGE, THE COMBINATION OF A CUP-SHAPED COFFEE CARTRIDGE REMOVABLY CONNECTABLE TO SAID SUPPLY MEANS, WATER INLET MEANS ON THE UPPER END OF SAID CARTRIDGE COMMUNICATING WITH SAID SUPPLY MEANS, DRAIN MEANS DETACHABLY CONNECTED ON THE LOWER END OF SAID CARTRIDGE, A CARTRIDGE HOLDER FOR SUPPORTING SAID COFFEE CARTRIDGE, AN INFUSION RESERVOIR IN SAID HOLDER, HAVING A DISCHARGE OPENING THEREIN, SAID RESERVOIR COMMUNICATING WITH THE ATMOSPHERE SIPHON DISCHARGE MEANS IN SAID RESERVOIR ASSOCIATED WITH SAID DISCHARGE OPENING, OVERFLOW DISCHARGE MEANS SAID RESERVOIR ASSOCIATED WITH SAID DISCHARGE OPENING, AND MEANS ON SAID HOLDER FOR REMOVABLY SECURING SAID CARTRIDGE AND HOLDER IN SAID COFFEE MAKER.
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |