Patent US2743014A successfully refreshed from Google Patents.
US2743014A
Expired / Lapsed
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Method and apparatus for separating fluids by thermal diffusion
Assignee: Standard Oil Co
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Filing: 1952-10-21
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Granted: 1956-04-24
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Expires: 1972-10-21
Abstract
No abstract record available.
Inventors
- 👤 Frazier David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:31
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
APPARATUS FOR SEPARATING FLUID MIXTURES INTO DISSIMILAR FRACTIONS BY THERMAL DIFFUSION WHICH COMPRISES AN INNER WALL MEMBER OF INERT, THERMALLY CONDUCTIVE MATERIAL HAVING A SMOOTH OUTER FACE DEFINED BY A FIRST SURFACE OF REVOLUTION ABOUT A REFERENCE AXIS; AN OUTER WALL MEMBER OF INERT, THERMALLY CONDUCTIVE MATERIAL HAVING A SMOOTH INNER FACE DEFINED BY A SECOND SURFACE OF REVOLUTION ABOUT SAID REFERENCE AXIS; SAID INNER AND OUTER FACES OF THE OUTER AND INNER WALL MEMBERS, RESPECTIVELY, BEING OPPOSITE ONE ANOTHER AND SUBSTANTIALLY EQUIDISTANTLY AND CLOSELY SPACED TO DEFINE A SEPARATION CHAMBER FOR THE FLUID; A BARRIER MEMBER DEFINING THE OPPOSITE ENDS OF THE CHAM-
Claim 2
Dependent Claim
104 words
APPARATUS FOR SEPARATING FLUID MIXTURES INTO DISSIMILAR FRACTIONS BY THERMAL DIFFUSION WHICH COMPRISES AN INNER WALL MEMBER OF INERT, THERMALLY CONDUCTIVE MATERIAL HAVING A SMOOTH OUTER FACE DEFINED BY A FIRST SURFACE OF REVOLUTION ABOUT A REFERENCE AXIS; AN OUTER WALL MEMBER OF INERT, THERMALLY CONDUCTIVE MATERIAL HAVING A SMOOTH INNER FACE DEFINED BY A SECOND SURFACE OF REVOLUTION ABOUT SAID REFERENCE AXIS; SAID INNER AND OUTER FACES OF THE OUTER AND INNER WALL MEMBERS, RESPECTIVELY, BEING OPPOSITE ONE ANOTHER AND SUBSTANTIALLY EQUIDISTANTLY AND CLOSELY SPACED TO DEFINE A SEPARATION CHAMBER FOR THE FLUID; A BARRIER MEMBER DEFINING THE OPPOSITE ENDS OF THE CHAM-
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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) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |