US3587444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drip type coffee maker
Assignee: Unisys Corp
•
Filing: 1969-11-26
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Granted: 1971-06-28
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Expires: 1989-11-26
Abstract
Abstract A COFFEE MAKER FOR BREWING DRIP TYPE COFFEE COMPRISING A WATER SUPPLY RESERVOIR DISPOSED OVER A COFFEE SERVER WITH A COFFEE BASKET ARRANGED THEREBETWEEN. MEANS ARE PROVIDED FOR DIVIDING WATER RECEIVED THEREIN SEQUENTIALLY INTO TWO VOLUMES WITH THERMORESPONSIVE VALUE MEANS PROVIDED FOR RELEASING SEQUENTIALLY ONE VOLUME DIRECTLY TO THE COFFEE SERVER AT ONE PRESELECTED TEMPERATURE AND THE OTHER VOLUME TO THE COFFEE BASKET AT A SECOND PRESELECTED TEMPERATURE FOR LATER RECOMBINATION WITH THE FIRST VOLUME IN THE COFFEE SERVER.
Inventors
- 👤 Siegfried Godel
- 👤 Lester F Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:06
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/10; A47J31/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |