US3012409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for rendering saline water potable
Assignee: Carrier Corp
•
Filing: 1957-12-11
•
Granted: 1961-12-12
•
Expires: 1977-12-11
Abstract
No abstract record available.
Inventors
- 👤 Carlyle M Ashley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:04
CPC Classifications
F; F25; F25B; F25B1/00
Claims Analysis
Total Claims: 0
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US2764488A
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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) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |