US2895808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the separation of solutes by partition
Assignee: Fisons Pest Control Ltd
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Filing: 1955-10-13
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Granted: 1959-07-21
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Expires: 1975-10-13
Abstract
No abstract record available.
Inventors
- 👤 Gilbert S Hartley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:19
CPC Classifications
B; B01; B01D; B01D15/00; B01D15/08; B01D15/10; B01D15/18; B01D15/16; B01D15/26; B01D15/265; Y; Y10; Y10T; Y10T436/00; Y10T436/25; Y10T436/25625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
AN APPARATUS COMPRISING A CLOSED CONDUIT HAVING A SINGLE OPENING AT ONE EXTREME AND A SINGLE OPENING AT THE OPPOSITE EXTREME; SAID CONDUIT CONTAINING BETWEEN SAID EXTREMES A PLURALITY OF SECTIONS WHICH ARE SERIALLY CONNECTED, EACH OF SAID SECTIONS CONSISTING ESSENTIALLY OF AN INLET TUBE, A MIXING VESSEL BEING SUBSTANTIALLY HORIZONTALLY TUBE, SAID MIXING VESSEL BEING SUBSTANTIALLY HORIZONTALLY DISPOSED, HAVING A CROSS-SECTIONAL AREA GREATER THAN THAT OF THE INLET TUBE TO WHICH IT IS CONNECTED AND ENVELOPING THE LOOSE BODY, SAID LOOSE BODY BEING A FREE MASS HAVING A CROSS SECTIONAL AREA LESS THAN THAT OF THE MIXING VESSEL AND BEING RESTRICTED BY SAID MIXING VESSEL, SAID OUTLET TUBE HAVING A GREATER CROSS-SECTIONAL AREA THAN THE INLET TUBE, BEING SUBSTANTIALLY VERTICALLY DISPOSED AND BEING ATTACHED TO THE MIXING VESSEL; EACH OF SAID OUTLET TUBES EXTENDING FROM ITS RESPECTIVE MIXING VESSEL IN SUBSTANTIALLY THE SAME DIRECTION; ONE INLET TUBE CONNECTING ONE OF SAID SINGLE OPENINGS TO A MIXING VESSEL, A FURTHER TUBE CONNECTING THE OTHER OF SAID SINGLE OPENINGS TO AN OUTLET TUBE, AND EACH OF THE REMAINING INLET TUBES CONNECTING THE MIXING VESSEL IN ONE SECTION TO THE OUTLET TUBE OF THE PRECEDING SECTION.
Claim 2
Independent Claim
194 words
AN APPARATUS COMPRISING A CLOSED CONDUIT HAVING A SINGLE OPENING AT ONE EXTREME AND A SINGLE OPENING AT THE OPPOSITE EXTREME; SAID CONDUIT CONTAINING BETWEEN SAID EXTREMES A PLURALITY OF SECTIONS WHICH ARE SERIALLY CONNECTED, EACH OF SAID SECTIONS CONSISTING ESSENTIALLY OF AN INLET TUBE, A MIXING VESSEL BEING SUBSTANTIALLY HORIZONTALLY TUBE, SAID MIXING VESSEL BEING SUBSTANTIALLY HORIZONTALLY DISPOSED, HAVING A CROSS-SECTIONAL AREA GREATER THAN THAT OF THE INLET TUBE TO WHICH IT IS CONNECTED AND ENVELOPING THE LOOSE BODY, SAID LOOSE BODY BEING A FREE MASS HAVING A CROSS SECTIONAL AREA LESS THAN THAT OF THE MIXING VESSEL AND BEING RESTRICTED BY SAID MIXING VESSEL, SAID OUTLET TUBE HAVING A GREATER CROSS-SECTIONAL AREA THAN THE INLET TUBE, BEING SUBSTANTIALLY VERTICALLY DISPOSED AND BEING ATTACHED TO THE MIXING VESSEL; EACH OF SAID OUTLET TUBES EXTENDING FROM ITS RESPECTIVE MIXING VESSEL IN SUBSTANTIALLY THE SAME DIRECTION; ONE INLET TUBE CONNECTING ONE OF SAID SINGLE OPENINGS TO A MIXING VESSEL, A FURTHER TUBE CONNECTING THE OTHER OF SAID SINGLE OPENINGS TO AN OUTLET TUBE, AND EACH OF THE REMAINING INLET TUBES CONNECTING THE MIXING VESSEL IN ONE SECTION TO THE OUTLET TUBE OF THE PRECEDING SECTION.
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) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |