US2996439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary still
Assignee: Individual
•
Filing: 1958-12-16
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Granted: 1961-08-15
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Expires: 1978-12-16
Abstract
No abstract record available.
Inventors
- 👤 Robert E Glover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:06
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/22; B01D1/222; B01D1/28; B01D1/2887; B01D1/289; B01D3/00; B01D3/08; Y; Y10; Y10S; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A COMPRESSION STILL, A CENTRAL SHAFT MEANS, MEANS FOR ROTATING SAID SHAFT MEANS, A PAIR OF ROTARY PHASE SEPARATING BARRIER MEANS HAVING A HIGH THERMAL CONDUCTIVITY, EACH SAID BARRIER MEANS COMPRISING AN INNER EVAPORATING SURFACE AND AN OUTER CONDENSING SURFACE, MEANS JOINING SAID BARRIER MEANS TO THE SAID SHAFT MEANS FOR AXIAL ROTATION THEREWITH, SAID INNER AND OUTER SURFACES BEING CONTINUOUS FROM SAID JOINTURE AT THE SHAFT MEANS TO PERIPHERAL EDGES ON SAID BARRIER MEANS, MEANS FOR INTRODUCING DISSILLAND ON THE SAID EVAPORATING SURFACES WHEREBY SAID DISTILLAND IS DISTRIBUTED OVER THE EVAPORATING SURFACES IN A THIN FILM BY CENTRIFUGAL FORCE, COMPRESSING
Claim 2
Dependent Claim
102 words
IN A COMPRESSION STILL, A CENTRAL SHAFT MEANS, MEANS FOR ROTATING SAID SHAFT MEANS, A PAIR OF ROTARY PHASE SEPARATING BARRIER MEANS HAVING A HIGH THERMAL CONDUCTIVITY, EACH SAID BARRIER MEANS COMPRISING AN INNER EVAPORATING SURFACE AND AN OUTER CONDENSING SURFACE, MEANS JOINING SAID BARRIER MEANS TO THE SAID SHAFT MEANS FOR AXIAL ROTATION THEREWITH, SAID INNER AND OUTER SURFACES BEING CONTINUOUS FROM SAID JOINTURE AT THE SHAFT MEANS TO PERIPHERAL EDGES ON SAID BARRIER MEANS, MEANS FOR INTRODUCING DISSILLAND ON THE SAID EVAPORATING SURFACES WHEREBY SAID DISTILLAND IS DISTRIBUTED OVER THE EVAPORATING SURFACES IN A THIN FILM BY CENTRIFUGAL FORCE, COMPRESSING
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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |