US2446997A
Expired / Lapsed
US
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Molecular distillation process and apparatus for the separation of isotopes, etc.
Assignee: United States Atomic Energy Commission
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Filing: 1943-03-11
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Granted: 1948-08-17
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Expires: 1963-03-11
Abstract
No abstract record available.
Inventors
- 👤 Brewer Aubrey Keith
- 👤 Madorsky Samuel Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:25
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |