US3203875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for distilling water with waste heat
Assignee: Individual
•
Filing: 1962-08-20
•
Granted: 1965-08-31
•
Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Harold V Sturtevant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:54
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/16; B; B01; B01D; B01D3/00; B01D3/007; F; F25; F25B; F25B27/00; F25B27/02; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02A30/274
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN APPARATUS FOR THE DISTILLATION OF WATER, THE COMBINATION COMPRISING A CLOSED GENERATOR CONTAINING A CONCENTRATED SOLUTION OF REFRIGERANT, MEANS FOR HEATING SAID REFRIGERANT DISPOSED WITHIN SAID GENERATOR, A CONDENSER, MEANS EFFECTING REFRIGERANT VAPOR COMMUNICATING BETWEEN SAID GENERATOR AND SAID CONDENSER, AND EVAPORATOR, MEANS ESTABLISHING FLUID FLOW COMMUNICATION BETWEEN SAID CONDENSER AND SAID EVAPORATOR, FIRST HEAT EXCHANGER MEANS DISPOSED WITHIN SAID EVAPORATOR FOR LOWERING THE TEMPERATURE OF A FLUID MEDIUM TO BE COOLED, AN ABSORBER CONTAINING A CONCENTRATED SOLUTION OF COOLED ABSORBENT REFRIGERANT, CLOSED PASSAGE MEANS INTERPOSED BETWEEN SAID GENERATOR AND SAID ABSORBER, SAID PASSAGE MEANS INCLUDING A SECOND HEAT EXCHANGER MEANS FOR COOLING THE CONCENTRATED SOLUTION OF ABSORBENT REFRIGERANT RECEIVED FROM SAID GENERATOR AND BEING PASSED TO SAID ABSORBER, PIPING MEANS FOR CREATING REFRIGERANT VAPOR FLOW FROM THE EVAPORATOR TO THE ABSORBER, CLOSED PASSAGE MEANS FOR RETURNING THE DILUTED SOLUTION OF ABSORBENT REFRIGERANT FORMED AT THE
Claim 2
Dependent Claim
147 words
IN APPARATUS FOR THE DISTILLATION OF WATER, THE COMBINATION COMPRISING A CLOSED GENERATOR CONTAINING A CONCENTRATED SOLUTION OF REFRIGERANT, MEANS FOR HEATING SAID REFRIGERANT DISPOSED WITHIN SAID GENERATOR, A CONDENSER, MEANS EFFECTING REFRIGERANT VAPOR COMMUNICATING BETWEEN SAID GENERATOR AND SAID CONDENSER, AND EVAPORATOR, MEANS ESTABLISHING FLUID FLOW COMMUNICATION BETWEEN SAID CONDENSER AND SAID EVAPORATOR, FIRST HEAT EXCHANGER MEANS DISPOSED WITHIN SAID EVAPORATOR FOR LOWERING THE TEMPERATURE OF A FLUID MEDIUM TO BE COOLED, AN ABSORBER CONTAINING A CONCENTRATED SOLUTION OF COOLED ABSORBENT REFRIGERANT, CLOSED PASSAGE MEANS INTERPOSED BETWEEN SAID GENERATOR AND SAID ABSORBER, SAID PASSAGE MEANS INCLUDING A SECOND HEAT EXCHANGER MEANS FOR COOLING THE CONCENTRATED SOLUTION OF ABSORBENT REFRIGERANT RECEIVED FROM SAID GENERATOR AND BEING PASSED TO SAID ABSORBER, PIPING MEANS FOR CREATING REFRIGERANT VAPOR FLOW FROM THE EVAPORATOR TO THE ABSORBER, CLOSED PASSAGE MEANS FOR RETURNING THE DILUTED SOLUTION OF ABSORBENT REFRIGERANT FORMED AT THE
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |