US3449245A
Expired / Lapsed
US
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Method of separating salts from aqueous solutions
Assignee: United States Atomic Energy Commission
•
Filing: 1965-10-23
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Granted: 1969-06-10
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 James S Johnson
- 👤 Kurt A Kraus
- 👤 Arthur E Marcinkowsky
- 👤 Harold O Phillips
- 👤 Arthur J Shor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:12
CPC Classifications
B; B01; B01D; B01D69/00; B01D69/14; B01D39/00; B01D61/00; B01D61/02; B01D61/025; B01D61/08; B01D2239/00; B01D2239/04; B01D2239/0407; B01D2239/0414; B01D2239/12; B01D2239/1216
Claims Analysis
Total Claims: 0
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US3373056A
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US3332737A
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US3331772A
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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) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |