US3170852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proximity surface still
Assignee: Individual
•
Filing: 1962-06-22
•
Granted: 1965-02-23
•
Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Clyde S Barnhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:29
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/22; B01D1/222; Y; Y10; Y10S; Y10S159/00; Y10S159/17; Y10S203/00; Y10S203/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A CLOSE PROXIMITY STILL COMPRISING A DRUM-TYPE HEAT EXCHANGER FOR INTRODUCING HEAT INTO THE STILL, SAID HEAT EXCHANGER SURROUNDING A ROTATABLE CONDENSER ELEMENT CONCENTRICALLY MOUNTED WITH REFERENCE TO SAID HEAT EXCHANGER, SAID CONDENSER ELEMENT HAVING INTERNAL FLUID CONDUIT, MEANS FOR REMOVING HEAT FROM SAID CONDENSER ELEMENT, AN ENDLESS FIBROUS BELT EVAPORATOR WRAPPED SUBSTANTIALLY AROUND AND SPACED FROM SAID CONDENSER ELEMENT BY AN OPEN SCREEN ENDLESS BELT-TYPE SEPARATOR BETWEEN SAID EVAPORATOR AND SAID CONDENSER ELEMENT, EVAPORATOR SATURATING MEANS COMPRISING A DISTILLAND TROUGH AND A ROLLER THEREIN FOR TRANSFERRING THE DISTILLAND FROM SAID TROUGH TO SAID EVAPORATOR MEANS FOR ROTATING SAID EVAPORATOR, SAID SEPARATOR AND SAID CONDENSER ELEMENT.
Claim 2
Dependent Claim
106 words
A CLOSE PROXIMITY STILL COMPRISING A DRUM-TYPE HEAT EXCHANGER FOR INTRODUCING HEAT INTO THE STILL, SAID HEAT EXCHANGER SURROUNDING A ROTATABLE CONDENSER ELEMENT CONCENTRICALLY MOUNTED WITH REFERENCE TO SAID HEAT EXCHANGER, SAID CONDENSER ELEMENT HAVING INTERNAL FLUID CONDUIT, MEANS FOR REMOVING HEAT FROM SAID CONDENSER ELEMENT, AN ENDLESS FIBROUS BELT EVAPORATOR WRAPPED SUBSTANTIALLY AROUND AND SPACED FROM SAID CONDENSER ELEMENT BY AN OPEN SCREEN ENDLESS BELT-TYPE SEPARATOR BETWEEN SAID EVAPORATOR AND SAID CONDENSER ELEMENT, EVAPORATOR SATURATING MEANS COMPRISING A DISTILLAND TROUGH AND A ROLLER THEREIN FOR TRANSFERRING THE DISTILLAND FROM SAID TROUGH TO SAID EVAPORATOR MEANS FOR ROTATING SAID EVAPORATOR, SAID SEPARATOR AND SAID CONDENSER ELEMENT.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |