US3369478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single cup, dry waste coffee brewing and dispensing mechanism
Assignee: Fawn Engineering Co
•
Filing: 1966-04-22
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Granted: 1968-02-20
•
Expires: 1986-04-22
Abstract
No abstract record available.
Inventors
- 👤 Stewart L Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:32
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A COFFEE BREWING AND DISPENSING MACHINE: AN UPRIGHT BREWING CYLINDER HAVING AN OPEN TOP; A PISTON RECIPROCABLE UP AND DOWN IN SAID CYLINDER; A FILTER MOUNTED ON THE PISTON THEREABOVE AND RECIPROCABLE THEREWITH IN THE CYLINDER FOR RECEIVING HOT WATER AND GROUND COFFEE DELIVERED INTO THE CYLINDER UPON THE FILTER; POWER MEANS COUPLED WITH THE PISTON FOR RECIPROCATING THE SAME; STRUCTURE OPERABLE BY SAID POWER MEANS TO EFFECT CLOSURE OF SAID TOP AFTER DELIVERY OF HOT WATER AND GROUND COFFEE INTO THE CYLINDER AND FOR OPENING SAID TOP AFTER EVACUATION OF THE CYLINDER OF BREWED COFFEE; MEANS BENEATH THE FILTER FOR EVACUATING THE CYLINDER OF BREWED COFFEE FLOWING THROUGH THE FILTER IN RESPONSE TO UPWARD MOVEMENT OF THE PISTON WHILE SAID TOP IS CLOSED; AND MECHANISM OPERABLE BY SAID POWER MEANS FOR SCRAPING SPENT COFFEE GROUNDS OFF THE FILTER UPON SAID OPENING OF THE TOP.
Claim 2
Dependent Claim
146 words
IN A COFFEE BREWING AND DISPENSING MACHINE: AN UPRIGHT BREWING CYLINDER HAVING AN OPEN TOP; A PISTON RECIPROCABLE UP AND DOWN IN SAID CYLINDER; A FILTER MOUNTED ON THE PISTON THEREABOVE AND RECIPROCABLE THEREWITH IN THE CYLINDER FOR RECEIVING HOT WATER AND GROUND COFFEE DELIVERED INTO THE CYLINDER UPON THE FILTER; POWER MEANS COUPLED WITH THE PISTON FOR RECIPROCATING THE SAME; STRUCTURE OPERABLE BY SAID POWER MEANS TO EFFECT CLOSURE OF SAID TOP AFTER DELIVERY OF HOT WATER AND GROUND COFFEE INTO THE CYLINDER AND FOR OPENING SAID TOP AFTER EVACUATION OF THE CYLINDER OF BREWED COFFEE; MEANS BENEATH THE FILTER FOR EVACUATING THE CYLINDER OF BREWED COFFEE FLOWING THROUGH THE FILTER IN RESPONSE TO UPWARD MOVEMENT OF THE PISTON WHILE SAID TOP IS CLOSED; AND MECHANISM OPERABLE BY SAID POWER MEANS FOR SCRAPING SPENT COFFEE GROUNDS OFF THE FILTER UPON SAID OPENING OF THE TOP.
References Cited (Backward Citations)
US3203340A
Cited
US3288049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |