Patent US3089772A successfully refreshed from Google Patents.
US3089772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coffee extraction process
Assignee: General Foods Corp
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Filing: 1960-07-25
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Granted: 1963-05-14
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Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 Howard J Bowden
- 👤 Henry G Schwartzberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:21
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/24; A23F5/26; A23F5/262
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A COFFEE EXTRACTION PROCESS FOR PRODUCING A COFFEE EXTRACT BY CONTACTING PROGRESSIVELY FRESHER COFFEE GROUNDS COUNTER-CURRENTLY WITH AN AQUEOUS EXTRACTION LIQUOR WHICH COMPRISES ADMITTING EXTRACTION LIQUOR AT 270*F.-320*F. TO A WASHING SECTION OF AN EXTRACTION TRAIN CONTAINING NEARLY SPENT GROUNDS AT THE LIQUOR INLET END, WITHDRAWING PARTIALLY CONCENTRATED EXTRACTION LIQUOR FROM SAID WASHING SECTION AFTER 40-90 MINUTES, PASSING SAID PARTIALLY CONCENTRATED EXTRACTION LIQUOR THROUGH A COOLING SECTION OF SAID EXTRACTION TRAIN, WITHDRAWING EXTRACTION LIQUOR FROM SAID COOLING SECTION AT 250*F. TO 265*F. AFTER 25-50
Claim 2
Dependent Claim
84 words
A COFFEE EXTRACTION PROCESS FOR PRODUCING A COFFEE EXTRACT BY CONTACTING PROGRESSIVELY FRESHER COFFEE GROUNDS COUNTER-CURRENTLY WITH AN AQUEOUS EXTRACTION LIQUOR WHICH COMPRISES ADMITTING EXTRACTION LIQUOR AT 270*F.-320*F. TO A WASHING SECTION OF AN EXTRACTION TRAIN CONTAINING NEARLY SPENT GROUNDS AT THE LIQUOR INLET END, WITHDRAWING PARTIALLY CONCENTRATED EXTRACTION LIQUOR FROM SAID WASHING SECTION AFTER 40-90 MINUTES, PASSING SAID PARTIALLY CONCENTRATED EXTRACTION LIQUOR THROUGH A COOLING SECTION OF SAID EXTRACTION TRAIN, WITHDRAWING EXTRACTION LIQUOR FROM SAID COOLING SECTION AT 250*F. TO 265*F. AFTER 25-50
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |