US2783149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a coffee extract
Assignee: VIOLET DE BECK EPSTEIN
•
Filing: 1953-08-10
•
Granted: 1957-02-26
•
Expires: 1973-08-10
Abstract
No abstract record available.
Inventors
- 👤 Albert A Epstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:26
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/24; A23F5/26; A23F5/267
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE PROCESS OF PRODUCING A COFFEE EXTRACT WHICH INCLUDES THE STEP OF SUBJECTING GROUND COFFEE TO THE SOLVENT ACTION OF COLD WATER AT A TEMPERATURE RANGE OF BETWEEEN SOMEWHAT ABOVE THE FREEZING POINT OF WATER AND NO HIGHER THAN APPROXIMATELY 18*C., SAID WATER CONTAINING CO2 SUFFICIENTLY IN EXCESS OF SATURATION NOT ONLY TO SUBSTANTIALLY REPLACE THE AIR IN THE WATER BUT ALSO SUBSTANTIALLY TO REPLACE THE AIR OCCLUDED IN THE GROUND COFFEE AND THE ATMOSPHERE IMMEDIATELY ABOVE THE MIXTURE.
Claim 2
Dependent Claim
79 words
THE PROCESS OF PRODUCING A COFFEE EXTRACT WHICH INCLUDES THE STEP OF SUBJECTING GROUND COFFEE TO THE SOLVENT ACTION OF COLD WATER AT A TEMPERATURE RANGE OF BETWEEEN SOMEWHAT ABOVE THE FREEZING POINT OF WATER AND NO HIGHER THAN APPROXIMATELY 18*C., SAID WATER CONTAINING CO2 SUFFICIENTLY IN EXCESS OF SATURATION NOT ONLY TO SUBSTANTIALLY REPLACE THE AIR IN THE WATER BUT ALSO SUBSTANTIALLY TO REPLACE THE AIR OCCLUDED IN THE GROUND COFFEE AND THE ATMOSPHERE IMMEDIATELY ABOVE THE MIXTURE.
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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) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |