US3386912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desalination of sea water
Assignee: Puraq Co
•
Filing: 1965-01-07
•
Granted: 1968-06-04
•
Expires: 1985-01-07
Abstract
No abstract record available.
Inventors
- 👤 Lazare Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:53
CPC Classifications
B; B01; B01D; B01D67/00; B01D67/0081; B01D67/0093; B01D71/00; B01D71/06; B01D71/44; B01D71/441; C; C02; C02F; C02F1/00; C02F1/44; B01D2323/00; B01D2323/30; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y02A20/131
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |