Patent US3240683A successfully refreshed from Google Patents.
US3240683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distillation apparatus useful for treating sea water to produce potable water
Assignee: Pactide Corp
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Filing: 1962-05-02
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Granted: 1966-03-15
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Expires: 1982-05-02
Abstract
No abstract record available.
Inventors
- 👤 Franklin A Rodgers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:00
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; Y; Y10; Y10S; Y10S159/00; Y10S159/15; Y10S159/28; Y10S165/00; Y10S165/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
DISTILLATION APPARATUS COMPRISING, IN COMBINATION: A HEAT EXCHANGE ASSEMBLY INCLUDING AN INTERMEDIATE, SHEET-LIKE, FLUID IMPERMEABLE ELEMENT HAVING RECESSESS IN OPPOSITE SIDES THEREOF FORMED OF A MATERIAL HAVING RELATIVELY GOOD THERMAL CONDUCTIVITY AND A PAIR OF OUTER, SHEET-LIKE, POROUS ELEMENTS FORMED OF A MATERIAL HAVING RELATIVELY GOOD THERMAL CONDUCTIVITY ARRANGED IN INTIMATE FACE-TO-FACE CONTACT WITH OPPOSITE SIDES OF SAID FLUID IMPERMEABLE ELEMENT; SAID RECESSES IN SAID FLUID IMPERMEABLE ELEMENT COOPERATING WITH THE FACING SURFACES OF SAID POROUS ELEMENTS TO DEFINE A PLURALITY OF CHANNELS FOR CONTAINING AND CIRCULATING FLUIDS; SAID HEAT EXCHANGE ASSEMBLY BEING ARRANGED IN THE FORM OF A SPIRAL HAVING AN INNERMOST AND AN OUTERMOST TURN WITH ONE OF SAID POROUS ELEMENTS OF EACH TURN OF SAID SPIRAL DISPOSED IN SPACED FACE-TO-FACE RELATION WITH THE OTHER OF SAID POROUS ELEMENTS OF THE NEXT ADJACENT TURN OF SAID SPIRAL; MEANS FOR SUPPLYING THE HEATED VAPOR OF A LIQUID TO SAID ONE OF SAID POROUS ELEMENTS; MEANS FOR REMOVING SAID LIQUID RESULTING FROM CON-
Claim 2
Dependent Claim
163 words
DISTILLATION APPARATUS COMPRISING, IN COMBINATION: A HEAT EXCHANGE ASSEMBLY INCLUDING AN INTERMEDIATE, SHEET-LIKE, FLUID IMPERMEABLE ELEMENT HAVING RECESSESS IN OPPOSITE SIDES THEREOF FORMED OF A MATERIAL HAVING RELATIVELY GOOD THERMAL CONDUCTIVITY AND A PAIR OF OUTER, SHEET-LIKE, POROUS ELEMENTS FORMED OF A MATERIAL HAVING RELATIVELY GOOD THERMAL CONDUCTIVITY ARRANGED IN INTIMATE FACE-TO-FACE CONTACT WITH OPPOSITE SIDES OF SAID FLUID IMPERMEABLE ELEMENT; SAID RECESSES IN SAID FLUID IMPERMEABLE ELEMENT COOPERATING WITH THE FACING SURFACES OF SAID POROUS ELEMENTS TO DEFINE A PLURALITY OF CHANNELS FOR CONTAINING AND CIRCULATING FLUIDS; SAID HEAT EXCHANGE ASSEMBLY BEING ARRANGED IN THE FORM OF A SPIRAL HAVING AN INNERMOST AND AN OUTERMOST TURN WITH ONE OF SAID POROUS ELEMENTS OF EACH TURN OF SAID SPIRAL DISPOSED IN SPACED FACE-TO-FACE RELATION WITH THE OTHER OF SAID POROUS ELEMENTS OF THE NEXT ADJACENT TURN OF SAID SPIRAL; MEANS FOR SUPPLYING THE HEATED VAPOR OF A LIQUID TO SAID ONE OF SAID POROUS ELEMENTS; MEANS FOR REMOVING SAID LIQUID RESULTING FROM CON-
References Cited (Backward Citations)
US2131265A
Cited
US2277921A
Cited
US2445350A
Cited
US3004590A
Cited
US3018087A
Cited
US3129145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |