US3247778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coffee makers
Assignee: Individual
•
Filing: 1963-01-16
•
Granted: 1966-04-26
•
Expires: 1983-01-16
Abstract
No abstract record available.
Inventors
- 👤 James F Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:37
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/007; A47J31/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A COFFEE BREWING MACHINE WHICH COMPRISES: FIRST AND SECOND CYLINDERS; A PISTON LOCATED WITHIN EACH OF SAID CYLINDERS; A BREWING CHAMBER MEANS LOCATED AT ONE END OF SAID FIRST CYLINDERS, SAID BREWING CHAMBER MEANS INCLUDING AN INLET OPENING FOR INTRODUCING GROUND COFFEE BEANS INTO THE INTERIOR OF SAID BREWING CHAMBER MEANS, A WATER INLET FOR INTRODUCING HOT WATER INTO THE INTERIOR OF SAID BREWING CHAMBER MEANS, A DRAIN OPENING LOCATED IN SAID BREWING CHAMBER MEANS FOR REMOVING ANY EXTRACTED GROUND COFFEE BEANS FROM SAID BREWING CHAMBER MEANS, A COFFEE BEVERAGE OUTLET FOR REMOVING THE BEVERAGE COFFEE FROM SAID BREWING CHAMBER MEANS, AND A SCREEN SEPARATING SAID COFFEE BEVERAGE OUTLET FROM THE REMAINDER OF SAID BREWING CHAMBER MEANS AND SAID END OF SAID FIRST CYLINDER; AND MECHANICAL MEANS CONNECTING SAID PISTONS WITHIN SAID CYLINDERS SO THAT MOVEMENT OF SAID PISTON WITHIN SAID SECOND CYLINDER CAUSES MOVEMENT OF SAID PISTON WITHIN SAID FIRST CYLINDER.
Claim 2
Dependent Claim
152 words
A COFFEE BREWING MACHINE WHICH COMPRISES: FIRST AND SECOND CYLINDERS; A PISTON LOCATED WITHIN EACH OF SAID CYLINDERS; A BREWING CHAMBER MEANS LOCATED AT ONE END OF SAID FIRST CYLINDERS, SAID BREWING CHAMBER MEANS INCLUDING AN INLET OPENING FOR INTRODUCING GROUND COFFEE BEANS INTO THE INTERIOR OF SAID BREWING CHAMBER MEANS, A WATER INLET FOR INTRODUCING HOT WATER INTO THE INTERIOR OF SAID BREWING CHAMBER MEANS, A DRAIN OPENING LOCATED IN SAID BREWING CHAMBER MEANS FOR REMOVING ANY EXTRACTED GROUND COFFEE BEANS FROM SAID BREWING CHAMBER MEANS, A COFFEE BEVERAGE OUTLET FOR REMOVING THE BEVERAGE COFFEE FROM SAID BREWING CHAMBER MEANS, AND A SCREEN SEPARATING SAID COFFEE BEVERAGE OUTLET FROM THE REMAINDER OF SAID BREWING CHAMBER MEANS AND SAID END OF SAID FIRST CYLINDER; AND MECHANICAL MEANS CONNECTING SAID PISTONS WITHIN SAID CYLINDERS SO THAT MOVEMENT OF SAID PISTON WITHIN SAID SECOND CYLINDER CAUSES MOVEMENT OF SAID PISTON WITHIN SAID FIRST CYLINDER.
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |