US3614874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separator-melter unit for desalination
Assignee: Simon Carves Ltd
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Filing: 1968-01-15
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Granted: 1971-10-26
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Expires: 1988-01-15
Abstract
Abstract IN THE PRODUCTION OF FRESH WATER FORM SALINE WATER, ICE CRYSTALS FORMED BY BOILING A VOLATILE REFRIGERANT IN THE SALINE WATER, ARE SEPARATED FROM SALINE WATER IN ONE CHAMBER AND PASSED OVER TO ANOTHER FORM MELTING TO PROVIDE THE FRESH WATER.
Inventors
- 👤 Allan Martindale
- 👤 Bryan R Parr
- 👤 Michael J S Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:51
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/22; Y; Y02; Y02A; Y02A20/00; Y02A20/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |