US3414481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eduction distillation system for treating salt water to produce fresh water
Assignee: Individual
•
Filing: 1965-10-22
•
Granted: 1968-12-03
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert C Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:30
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/047; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y02A20/138; Y02A20/141; Y10; Y10S; Y10S159/00; Y10S159/902; Y10S159/903; Y10S203/00; Y10S203/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1544029A
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US2141330A
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US2342201A
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US2375713A
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US2975107A
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US3140986A
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US3138546A
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US3290230A
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US3257291A
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US3300393A
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US3338797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |