US3456802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desalination by submerged reverse osmosis
Assignee: Individual
•
Filing: 1966-11-22
•
Granted: 1969-07-22
•
Expires: 1986-11-22
Abstract
No abstract record available.
Inventors
- 👤 Marc Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:12
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/02; B01D61/10; B01D61/025; B01D61/04; B01D63/00; B01D63/10; B01D63/12; B01D65/00; B01D65/08; C; C02; C02F; C02F1/00; C02F1/44; C02F1/441; B01D2311/00; B01D2311/04; B01D2315/00; B01D2315/06; B01D2317/00; B01D2317/04; B01D2321/00; B01D2321/16; B01D2321/162; B01D2321/168; C02F1/50; C02F1/66; C02F1/72; C02F1/76; C02F2103/00; C02F2103/007; C02F2103/08; C02F2209/00; C02F2209/40; C02F2303/00; C02F2303/24; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y02A20/131; Y10; Y10S; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1825631A
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US3171808A
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US3060119A
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US3156645A
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US3296122A
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US3342728A
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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) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |