US3454471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor condensation system
Assignee: Saline Water Conversion Corp USA
•
Filing: 1966-05-10
•
Granted: 1969-07-08
•
Expires: 1986-05-10
Abstract
No abstract record available.
Inventors
- 👤 Edward Charles Kehoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:19
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; B; B01; B01D; B01D5/00; B01D5/0003; B01D5/0027; B01D5/003; Y; Y10; Y10S; Y10S203/00; Y10S203/11; Y10S203/18
Claims Analysis
Total Claims: 0
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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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |