US3369977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for desalinization
Assignee: Individual
•
Filing: 1967-03-22
•
Granted: 1968-02-20
•
Expires: 1987-03-22
Abstract
No abstract record available.
Inventors
- 👤 Bechard Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:10
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; Y; Y10; Y10S; Y10S159/00; Y10S159/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE35237C
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US615329A
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US1156851A
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FR667359A
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US1994009A
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GB410257A
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CH189729A
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US2710057A
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GB854371A
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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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |