Patent US4767268A successfully refreshed from Google Patents.
Patent US2681883A successfully refreshed from Google Patents.
US2681883A
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Recovery of heavy water from reacted solutions thereof
Assignee: United States Atomic Energy Commission
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Filing: 1946-01-07
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Granted: 1954-06-22
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Expires: 1966-01-07
Abstract
No abstract record available.
Inventors
- 👤 Clarence F Hiskey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:30
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/50; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
IN THE METHOD OF RECOVERING HEAVY WATER FROM A SOLUTION OF HEAVY WATER AND URANYL FLUORIDE BY DISTILLATION OF THE HEAVY WATER, THE STEP OF CONDUCTING THE DISTILLATION OF THE HEAVY WATER IN THE PRESENCE OF UO3.
Claim 2
Dependent Claim
37 words
IN THE METHOD OF RECOVERING HEAVY WATER FROM A SOLUTION OF HEAVY WATER AND URANYL FLUORIDE BY DISTILLATION OF THE HEAVY WATER, THE STEP OF CONDUCTING THE DISTILLATION OF THE HEAVY WATER IN THE PRESENCE OF UO3.
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) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |