US3577322A
Expired / Lapsed
US
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Microwave heating in the desalination of water
Assignee: STEPHEN J NESBITT
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Filing: 1968-12-03
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Granted: 1971-05-04
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Expires: 1988-12-03
Abstract
Abstract A SYSTEM FOR THE SINGLE STAGE FLASH DISTILATION OF SALINE OR POLLUTED WATER, COMBINING THE USE OF MICROWAVE OUTPUT POWER AS WELL AS THE WASTE HEAT IN THE MICROWAVE COOLANT AS A SOURCE OF HEAT AND INCLUDING CENTRIFUGAL SEPARATION OF PARTICULATE MATTER SEPARATED FROM THE SOLUTE SYSTEM BY THE CHANGE OF STATE.
Inventors
- 👤 Stephen J Nesbitt
- 👤 Edward M Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:15
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/80; H05B6/802; H05B6/804; B; B01; B01D; B01D1/00; B01D1/0011; B01D1/0017; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y10; Y10S; Y10S159/00; Y10S159/26; Y10S203/00; Y10S203/11
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |