Patent US3397119A successfully refreshed from Google Patents.
US3397119A
Expired / Lapsed
US
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Salt water distillation and condensation utilizing alternate steam expansion-compression heat cycle to evaporate salt water
Assignee: Individual
•
Filing: 1966-04-20
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Granted: 1968-08-13
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Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 William L Bourland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:47
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; Y; Y10; Y10S; Y10S159/00; Y10S159/16; Y10S203/00; Y10S203/04; Y10S203/11; Y10S203/18; Y10S203/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2339862A
Cited
US2625506A
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US2584211A
Cited
US2760919A
Cited
US3055810A
Cited
US3183174A
Cited
US3235469A
Cited
US3322650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |