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Patent US3454489A successfully refreshed from Google Patents.
US3454489A
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Desalination process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1966-05-23
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Granted: 1969-07-08
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Norman N Li Somerset
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:46
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/38; B01D61/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2761563A
Cited
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 |