US3385770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for use in evaporative processes
Assignee: SALINE WATER CONVERSION Corp
•
Filing: 1964-09-17
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Granted: 1968-05-28
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Expires: 1984-09-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Roe
- 👤 Kehoe Edward Charles
- 👤 Lichtenstein Joseph
- 👤 Elwood C Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:34
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/02; B; B01; B01D; B01D1/00; B01D1/22; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/08; Y; Y02; Y02A; Y02A20/00; Y02A20/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US378843A
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US1200996A
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US2570212A
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US2777514A
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US2758061A
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US3074473A
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US3214348A
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US3214350A
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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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |