US3103873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-speed beverage brewer
Assignee: Seeburg Corp
•
Filing: 1959-12-31
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Granted: 1963-09-17
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Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Charles T Breitenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:09
CPC Classifications
G; G07; G07F; G07F13/00; G07F13/06; G07F13/065; A; A47; A47J; A47J31/00; A47J31/40; A47J31/405
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A COFFEE BREWER OF THE PISTON EXTRACTION TYPE, A FAST-CYCLING BREWING APPARATUS COMPRISING A BREW CYLINDER OPEN AT OPPOSITE ENDS, A RECIPROCABLE PISTON AND DRIVE ROD MEANS THEREFOR AND MEANS MOUNTING THE SAME FOR ENTERING AND CLOSING ONE OF SAID ENDS AND TRAVELLING IN AN EXTRACTING STROKE SUBSTANTIALLY TO THE OPPOSITE END; COACTING MOTOR, CAM, AND SPRING MEANS OPERABLE TO DRIVE THE PISTON IN A CYCLE FROM A STARTING POSITION OUT OF THE CYLINDER AT A RELATIVELY SLOW SPEED THROUGH SAID EXTRACTING STROKE WITH ONE FULL STOPPAGE THEREOF FOR A SHORT LOADING INTERVAL AND VERY RAPIDLY RETURNING THE PISTON FROM THE END OF SAID STROKE TO SAID STARTING POSITION WHOLLY WITHDRAWN FROM THE CYLINDER TO OPEN THE SAME FOR DISCHARGE OF BREW RESIDUES.
Claim 2
Dependent Claim
61 words
IN A BREWER, A BREW CYLINDER, AN EXTRACTING PISTON MEANS MOVABLE IN SAID CYLINDER, A CHASSIS ENCLOSURE FOR SAID CYLINDER INCLUDING A DISCHARGE APRON INTEGRAL THEREWITH AND POSITIONED BENEATH THE CYLINDER TO RECEIVE BREW RESIDUES AND ALSO FORMING, COOPERABLE WITH THE REMAINDER OF THE CHASSIS, A CHAMBER BENEATH SAID CYLINDER; AND DRIVE MEANS FOR SAID PISTON MEANS DISPOSED IN SAID CHAMBER.
References Cited (Backward Citations)
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |