US3489652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desalination process by multi-effect,multi-stage flash distillation combined with power generation
Assignee: AMF Inc
•
Filing: 1966-04-18
•
Granted: 1970-01-13
•
Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 William Rodger Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:44
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/16; F; F01; F01K; F01K17/00; F01K17/04; C02F2103/00; C02F2103/08; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y10; Y10S; Y10S159/00; Y10S159/32; Y10S159/39; Y10S203/00; Y10S203/21
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2636129A
Cited
US2566732A
Cited
US2759882A
Cited
US2893926A
Cited
US3140986A
Cited
US3119752A
Cited
US3032482A
Cited
US3076096A
Cited
US3399118A
Cited
US3320137A
Cited
US3388045A
Cited
US3412558A
Cited
US3391062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |