US2686192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous percolation extraction
Assignee: Individual
•
Filing: 1950-12-20
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Granted: 1954-08-10
•
Expires: 1970-12-20
Abstract
No abstract record available.
Inventors
- 👤 Bonotto Michele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:09
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/10; B; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0223; B01D11/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCESS FOR CONTINUOUS PERCOLATION EXTRACTION WITH SOLVENT IN SYSTEMS OF THE HORIZONTAL SCREEN-CONVEYOR TYPE CONSISTING IN FEEDING DOWNWARDLY BY GRAVITY THROUGH A FEED HOPPER A COLUMN OF OIL-BEARING PROCESS MATERIAL, GUIDING SAID COLUMN OF PROCESS MATERIAL LATERALLY FROM SAID HOPPER, PASSING THROUGH THE HOPPER AND IN PARALLEL CURRENT WITH SAID PROCESS MATERIAL A VOLATILE
Claim 2
Dependent Claim
55 words
A PROCESS FOR CONTINUOUS PERCOLATION EXTRACTION WITH SOLVENT IN SYSTEMS OF THE HORIZONTAL SCREEN-CONVEYOR TYPE CONSISTING IN FEEDING DOWNWARDLY BY GRAVITY THROUGH A FEED HOPPER A COLUMN OF OIL-BEARING PROCESS MATERIAL, GUIDING SAID COLUMN OF PROCESS MATERIAL LATERALLY FROM SAID HOPPER, PASSING THROUGH THE HOPPER AND IN PARALLEL CURRENT WITH SAID PROCESS MATERIAL A VOLATILE
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Cited
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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) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |