US2840459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous solvent extractor and solvent extraction system
Assignee: Blaw Knox Co
•
Filing: 1949-05-04
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Granted: 1958-06-24
•
Expires: 1969-05-04
Abstract
No abstract record available.
Inventors
- 👤 George B Karnofsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:24
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/20; A23F5/206; A23F5/24; A23F5/26; A23F5/265; B; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0223; B01D11/0226; C; C11; C11B; C11B1/00; C11B1/10; C11B1/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A CONTINUOUS SYSTEM FOR THE SOLVENT EXTRACTION OF VEGETABLE OILS OR THE LIKE FROM SOLID ORGANIC PARTICLES, THE STEPS COMPRISING, SEPARATELY CONFINING A SUCCESSION OF MASSES OF SAID SOLID ORGANIC PARTICLES, MOVING SAID SUCCESSION ALONG A CLOSED PATH IN A SUBSTANTIALLY HORIZONTAL PLANE, SUPPLYING SOLVENT TO SAID SUCCESSION OF MASSES IN PREDETERMINED FLOODING ZONES ALONG SAID PATH OF MOVEMENT, COLLECTING SOLVENT PERCOLATING THROUGH SAID SUCCESSION OF MASSES IN SEPARATE ZONES ALONG SAID PATH OF MOVEMENT, AND ADJUSTING THE BOUNDARY OF AT LEAST ONE OF SAID SEPARATE ZONES RELATIVE TO A FLOODING ZONE TO VARY THE RELATIVE FLOW OF SOLVENT AMONG SAID ZONES.
Claim 2
Dependent Claim
103 words
IN A CONTINUOUS SYSTEM FOR THE SOLVENT EXTRACTION OF VEGETABLE OILS OR THE LIKE FROM SOLID ORGANIC PARTICLES, THE STEPS COMPRISING, SEPARATELY CONFINING A SUCCESSION OF MASSES OF SAID SOLID ORGANIC PARTICLES, MOVING SAID SUCCESSION ALONG A CLOSED PATH IN A SUBSTANTIALLY HORIZONTAL PLANE, SUPPLYING SOLVENT TO SAID SUCCESSION OF MASSES IN PREDETERMINED FLOODING ZONES ALONG SAID PATH OF MOVEMENT, COLLECTING SOLVENT PERCOLATING THROUGH SAID SUCCESSION OF MASSES IN SEPARATE ZONES ALONG SAID PATH OF MOVEMENT, AND ADJUSTING THE BOUNDARY OF AT LEAST ONE OF SAID SEPARATE ZONES RELATIVE TO A FLOODING ZONE TO VARY THE RELATIVE FLOW OF SOLVENT AMONG SAID ZONES.
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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) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |