US3522152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desalination of saline water by phase separation near critical pressure of pure water
Assignee: Hydro Chemical and Mineral Corp
•
Filing: 1964-04-20
•
Granted: 1970-07-28
•
Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Asriel Osdor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:20
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y10; Y10S; Y10S159/00; Y10S159/24; Y10S159/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2821304A
Cited
US1204716A
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US2520186A
Cited
US2764488A
Cited
US2976224A
Cited
US3213001A
Cited
US3243359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |