Patent US6601074B1 successfully refreshed from Google Patents.
US2514596A
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Method of preparing coffee beverage
Assignee: Cory Corp
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Filing: 1946-12-16
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Granted: 1950-07-11
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Expires: 1966-12-16
Abstract
No abstract record available.
Inventors
- 👤 Charles N Crossley
- 👤 Raymond J Gagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:06
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/04; A47J31/057; A47J31/06; A47J31/0642; A47J31/40; A47J31/44; A47J31/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD OF PREPARING COFFEE BEVERAGE WHICH COMPRISES ENCLOSING A PREDETERMINED QUANTITY OF GROUND COFFEE WITHIN A SPACE OF FIXED DIMENSIONS, FORCING A STREAM OF HEATED WATER OF RELATIVELY SMALL CROSS-SECTIONAL AREA DOWNWARDLY TO PENETRATE THE MASS OF COFFEE FROM THE TOP THEREOF FOR A SUBSTANTIAL DISTANCE THEREIN, REVERSING THE FLOW OF WATER FROM SAID STREAM FROM A DOWNWARD DIRECTION TO AN UPWARD DIRECTION AFTER SUCH PENETRATION OF THE COFFEE, SPREADING THE REVERSE FLOW
Claim 2
Independent Claim
74 words
A METHOD OF PREPARING COFFEE BEVERAGE WHICH COMPRISES ENCLOSING A PREDETERMINED QUANTITY OF GROUND COFFEE WITHIN A SPACE OF FIXED DIMENSIONS, FORCING A STREAM OF HEATED WATER OF RELATIVELY SMALL CROSS-SECTIONAL AREA DOWNWARDLY TO PENETRATE THE MASS OF COFFEE FROM THE TOP THEREOF FOR A SUBSTANTIAL DISTANCE THEREIN, REVERSING THE FLOW OF WATER FROM SAID STREAM FROM A DOWNWARD DIRECTION TO AN UPWARD DIRECTION AFTER SUCH PENETRATION OF THE COFFEE, SPREADING THE REVERSE FLOW
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) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |