Patent US3585058A successfully refreshed from Google Patents.
Patent US2722474A successfully refreshed from Google Patents.
US2722474A
Expired / Lapsed
US
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Apparatus for the continuous extraction of solid substances in basket conveyor extractors
Assignee: GEA Group AG
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Filing: 1952-06-10
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Granted: 1955-11-01
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Expires: 1972-06-10
Abstract
No abstract record available.
Inventors
- 👤 Hanke Karl
- 👤 Depmer Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:57
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/02; B01D11/0269
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
AN APPARATUS FOR THE CONTINUOUS EXTRACTION OF SOLID SUBSTANCES COMPRISING AN ENDLESS CHAIN OF VESSELS EACH OF WHICH PERMITS A VERTICAL FLOW OF LIQUID THERETHROUGH, MEANS FOR CONTINUOUSLY CIRCULATING SAID VESSELS IN A VERTICAL PLANE, MEANS FOR INTRODUCING SOLVENT INTO THE UPPERMOST OF THE ASCENDING VESSESL, MEANS FOR INTRODUCING SOLID SUBSTANCES AND MISCELLA IN THE UPPERMOST OF THE DESCENDING VESSELS, GUIDE MEANS FOR SAID CHAIN OF VESSELS SO THAT A PART OF THE DESCENDING VESSEL AR E DISPOSED VERTICALLY ONE BELOW THE OTHER AND OTHES ARE DISPOSED IN LATERALLY STAGGERED RELATIONS SO THAT LIQUID WILL NOT DRAIN FROM AN UPPER INTO A LOWER VESSEL, ALL OF THE ASCENDING VESSELS BEING DISPOSED VERTICALLY ONE ABOVE THE OTHER AND CONSTITUTING VESSELS DRAINING FROM AN UPPER TO A LOWER VESSEL IN GREATER NUMBERS THAN SIMILAR DESCENDING VESSELS, A DRAINING PORTION IN SAID CHAIN OF VESSELS ARRANED IN LATERALLY DISPLACED RELATIONSHIP EXTENDING BEWTEEN THE ASCENDING AND DESCENDING VESSELS AT THE UPPER PORTION OF SAID CHAIN OF VESSELS, AND MEANS FOR CONDUCTING THE DRAINAGE FROM SAID DRAINING PORTION OF SAID CHAIN OF VESSELS INTO SAID UPWARDLY ASCENDING VESSELS.
Claim 2
Independent Claim
183 words
AN APPARATUS FOR THE CONTINUOUS EXTRACTION OF SOLID SUBSTANCES COMPRISING AN ENDLESS CHAIN OF VESSELS EACH OF WHICH PERMITS A VERTICAL FLOW OF LIQUID THERETHROUGH, MEANS FOR CONTINUOUSLY CIRCULATING SAID VESSELS IN A VERTICAL PLANE, MEANS FOR INTRODUCING SOLVENT INTO THE UPPERMOST OF THE ASCENDING VESSESL, MEANS FOR INTRODUCING SOLID SUBSTANCES AND MISCELLA IN THE UPPERMOST OF THE DESCENDING VESSELS, GUIDE MEANS FOR SAID CHAIN OF VESSELS SO THAT A PART OF THE DESCENDING VESSEL AR E DISPOSED VERTICALLY ONE BELOW THE OTHER AND OTHES ARE DISPOSED IN LATERALLY STAGGERED RELATIONS SO THAT LIQUID WILL NOT DRAIN FROM AN UPPER INTO A LOWER VESSEL, ALL OF THE ASCENDING VESSELS BEING DISPOSED VERTICALLY ONE ABOVE THE OTHER AND CONSTITUTING VESSELS DRAINING FROM AN UPPER TO A LOWER VESSEL IN GREATER NUMBERS THAN SIMILAR DESCENDING VESSELS, A DRAINING PORTION IN SAID CHAIN OF VESSELS ARRANED IN LATERALLY DISPLACED RELATIONSHIP EXTENDING BEWTEEN THE ASCENDING AND DESCENDING VESSELS AT THE UPPER PORTION OF SAID CHAIN OF VESSELS, AND MEANS FOR CONDUCTING THE DRAINAGE FROM SAID DRAINING PORTION OF SAID CHAIN OF VESSELS INTO SAID UPWARDLY ASCENDING VESSELS.
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) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |