Patent US2992172A successfully refreshed from Google Patents.
US2992172A
Expired / Lapsed
US
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Fuel elements for nuclear reactors
Assignee: Individual
•
Filing: 1951-11-26
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Granted: 1961-07-11
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Expires: 1971-11-26
Abstract
No abstract record available.
Inventors
- 👤 Blainey Alan
- 👤 Lloyd Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:43
CPC Classifications
G; G21; G21C; G21C21/00; G21C21/02; G21C21/12; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD OF SHEATHING A TUBULAR FUEL ELEMENT FOR A NUCLEAR REACTOR COMPRISING CENTERING A CORE MEMBER CONSISTING OF A METAL SELECTED FROM THE GROUP CONSISTING OF LEAD, TIN, BISMUTH AND COOPER IN A DIE, PLACING A LAYER OF A PROTECTIVE SHEATHING IN POWER FORM ON THE BOTTOM OF THE DIE, INTRODUCING THE TUBULAR FUEL ELEMENT OF FISSILE MATERIAL INTO THE DIE MIDWAY BETWEEN THE DIE WALLS AND THE CORE MEMBER, FILLING THE SPACES BETWEEN THE TUBLAR FUEL ELEMENT AND THE DIE WALLS AND CORE MEMBER WITH THE SAID PROTECTIVE SUBSTANCE IN POWDER FORM, PROVIDING A LAYER OF SAID PROTECTIVE SHEATHING SUBSTANCE
Claim 2
Independent Claim
102 words
A METHOD OF SHEATHING A TUBULAR FUEL ELEMENT FOR A NUCLEAR REACTOR COMPRISING CENTERING A CORE MEMBER CONSISTING OF A METAL SELECTED FROM THE GROUP CONSISTING OF LEAD, TIN, BISMUTH AND COOPER IN A DIE, PLACING A LAYER OF A PROTECTIVE SHEATHING IN POWER FORM ON THE BOTTOM OF THE DIE, INTRODUCING THE TUBULAR FUEL ELEMENT OF FISSILE MATERIAL INTO THE DIE MIDWAY BETWEEN THE DIE WALLS AND THE CORE MEMBER, FILLING THE SPACES BETWEEN THE TUBLAR FUEL ELEMENT AND THE DIE WALLS AND CORE MEMBER WITH THE SAID PROTECTIVE SUBSTANCE IN POWDER FORM, PROVIDING A LAYER OF SAID PROTECTIVE SHEATHING SUBSTANCE
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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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |