US2629663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of extracting ground roasted coffee
Assignee: Arthur D Little Inc
•
Filing: 1947-02-08
•
Granted: 1953-02-24
•
Expires: 1967-02-08
Abstract
No abstract record available.
Inventors
- 👤 Benjamin B Fogler
- 👤 John B Nugent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:15
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/24; A23F5/26; A23F5/265; B; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0223; B01D11/0226
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
PROCESS FOR THE CONTINUOUS COUNTERCURRENT EXTRACTION OF GROUND ROASTED COFFEE WHICH COMPRISES CONTINUOUSLY INTRODUCING SAID COFFEE INTO ONE END OF AN ELONGATED PASSAGEWAY SO AS TO FILL SAID PASSAGEWAY THROUGHOUT THE DIAMETER THEREOF, MOVING SAID COFFEE CONTINUOUSLY AWAY FROM SAID END THROUGH SAID PASSAGEWAY TOWARD THE OTHER END THEREOF AND INTO CONTACT WITH WATER FLOWING COUNTERCURRENTLY TO SAID COFFEE THEREBY CAUSING SAID COFFEE TO BE WETTED BY SAID WATER AND TO SWELL, CONTINUING THE MOVEMENT COUNTERCURRENT TO SAID WATER, OF SAID SWEELED WETTED COFFEE, AS IT SWELLS, INTO A ZONE OF LARGER CROSS-SECTION EXTENDING THROUGHOUT THE REMAINDER OF SAID PASSAGEWAY WHEREBY TO PREVENT PLUGGING OF THE PASSAGEWAY BY THE SWELLED COFFEE, CONTINUOUSLY REMOVING SAID COFFEE FROM THE END OF SAID PAS-
Claim 2
Dependent Claim
121 words
PROCESS FOR THE CONTINUOUS COUNTERCURRENT EXTRACTION OF GROUND ROASTED COFFEE WHICH COMPRISES CONTINUOUSLY INTRODUCING SAID COFFEE INTO ONE END OF AN ELONGATED PASSAGEWAY SO AS TO FILL SAID PASSAGEWAY THROUGHOUT THE DIAMETER THEREOF, MOVING SAID COFFEE CONTINUOUSLY AWAY FROM SAID END THROUGH SAID PASSAGEWAY TOWARD THE OTHER END THEREOF AND INTO CONTACT WITH WATER FLOWING COUNTERCURRENTLY TO SAID COFFEE THEREBY CAUSING SAID COFFEE TO BE WETTED BY SAID WATER AND TO SWELL, CONTINUING THE MOVEMENT COUNTERCURRENT TO SAID WATER, OF SAID SWEELED WETTED COFFEE, AS IT SWELLS, INTO A ZONE OF LARGER CROSS-SECTION EXTENDING THROUGHOUT THE REMAINDER OF SAID PASSAGEWAY WHEREBY TO PREVENT PLUGGING OF THE PASSAGEWAY BY THE SWELLED COFFEE, CONTINUOUSLY REMOVING SAID COFFEE FROM THE END OF SAID PAS-
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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) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |