US3382157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam jacketed cylindrical water still with demister and access door
Assignee: Individual
•
Filing: 1964-05-18
•
Granted: 1968-05-07
•
Expires: 1984-05-18
Abstract
No abstract record available.
Inventors
- 👤 William A Barnstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:42
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/045; Y; Y10; Y10S; Y10S203/00; Y10S203/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
A WATER STILL HAVING, IN COMBINATION, AN EVAPORATOR COMPRISING A CHAMBER TO RECEIVE FEEDWATER CONTAINING IMPURITIES TO BE REMOVED THEREFROM, THE CHAMBER BEING DEFINED BY AN INNER WALL, AN OUTER WALL DISPOSED OUTWARD FROM THE INNER WALL TO DEFINE A SPACE THEREBETWEEN, AN INLET TO THE SPACE TO ENABLE THE INJECTION OF A HOT FLUID THEREINTO, HEAT FROM THE FLUID PASSING THROUGH THE INNER WALL TO CHANGE THE WATER TO A WATER VAPOR CONTAINING WATER DROPLETS AND ENTRAINED PARTICLES, SOLID IMPURITIES REMAINING AS DEPOSITS ON THE CHAMBER SURFACE, AN ELONGATE BAFFLE SECTION TO RECEIVE THE VAPOR TO SEPARATE THE WATER DROPLETS AND PARTICLES THEREFROM A CONDENSER TO RECEIVE THE WATER VAPOR FROM THE BAFFLE SECTION TO CHANGE IT TO A DISTILLATE, AND ACCESS MEANS TO THE CHAMBER, THE SAID ACCESS MEANS BEING EASILY REMOVABLE TO ENABLE FACILE REMOVAL OF THE DEPOSITS IN THE CHAMBER, THE BAFFLE SECTION HAVING A REMOVABLE BAFFLE ASSEMBLY COMPRISING A ROD DISPOSED ALONG THE LONG DIMENSION OF THE ELONGATE BAFFLE SECTION AND A PLURALITY OF BAFFLES PARALLELY DISPOSED ALONG THE ROD, THE BAFFLES EACH HAVING A CUTAWAY PORTION AND THE CUTAWAY PORTION OF ADJACENTLY LOCATED BAFFLES BEING DISPOSED AT OPPOSITE SIDES OF THE SAID ROD TO PROVIDE A SERPENTINE PATH FOR THE VAPOR.
Claim 2
Dependent Claim
207 words
A WATER STILL HAVING, IN COMBINATION, AN EVAPORATOR COMPRISING A CHAMBER TO RECEIVE FEEDWATER CONTAINING IMPURITIES TO BE REMOVED THEREFROM, THE CHAMBER BEING DEFINED BY AN INNER WALL, AN OUTER WALL DISPOSED OUTWARD FROM THE INNER WALL TO DEFINE A SPACE THEREBETWEEN, AN INLET TO THE SPACE TO ENABLE THE INJECTION OF A HOT FLUID THEREINTO, HEAT FROM THE FLUID PASSING THROUGH THE INNER WALL TO CHANGE THE WATER TO A WATER VAPOR CONTAINING WATER DROPLETS AND ENTRAINED PARTICLES, SOLID IMPURITIES REMAINING AS DEPOSITS ON THE CHAMBER SURFACE, AN ELONGATE BAFFLE SECTION TO RECEIVE THE VAPOR TO SEPARATE THE WATER DROPLETS AND PARTICLES THEREFROM A CONDENSER TO RECEIVE THE WATER VAPOR FROM THE BAFFLE SECTION TO CHANGE IT TO A DISTILLATE, AND ACCESS MEANS TO THE CHAMBER, THE SAID ACCESS MEANS BEING EASILY REMOVABLE TO ENABLE FACILE REMOVAL OF THE DEPOSITS IN THE CHAMBER, THE BAFFLE SECTION HAVING A REMOVABLE BAFFLE ASSEMBLY COMPRISING A ROD DISPOSED ALONG THE LONG DIMENSION OF THE ELONGATE BAFFLE SECTION AND A PLURALITY OF BAFFLES PARALLELY DISPOSED ALONG THE ROD, THE BAFFLES EACH HAVING A CUTAWAY PORTION AND THE CUTAWAY PORTION OF ADJACENTLY LOCATED BAFFLES BEING DISPOSED AT OPPOSITE SIDES OF THE SAID ROD TO PROVIDE A SERPENTINE PATH FOR THE VAPOR.
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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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |