Patent US2986509A successfully refreshed from Google Patents.
US2986509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element for a nuclear reactor
Assignee: Individual
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Filing: 1957-04-25
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Granted: 1961-05-30
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Expires: 1977-04-25
Abstract
No abstract record available.
Inventors
- 👤 Jr James G Duffy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:35
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/02; G21C3/04; G21C3/06; G21C3/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A NEUTRONIC REACTOR HAVING A REACTIVE PORTION WITH A COOLANT FLOWING THERETHROUGH, THE IMPROVEMENT COMPRISING A PLURALITY OF ROD-LIKE BODIES OF A FISSIONABLE MATERIAL, EACH ENCASED IN A FLUID-TIGHT JACKET, A FIRST SET OF SPACED LONGITUDINAL FINS ON THE EXTERIOR OF SAID EXTENDING RADIALLY FROM SAID JACKETS AND A SECOND SET OF SPACED LONGITUDINAL FINS EXTENDED RADIALLY BEYOND SAID FIRST SET OF FINS AND AT LEAST ONE TUBULAR COLLAR MOUNTED ON AND CIRCLING SAID EXTENDED FINS EXTENDING OVER A RELATIVELY SMALL PORTION OF THE LENGTH OF EACH BODY AND WHEREIN THE EXTENDED FINS ON EACH JACKET ARE ALIGNED SO THAT THE COLLARS ON ADJACENT BODIES ARE IN CONTRACT ALONG LINES INTERMEDIATE SAID EXTENDED FINS, SAID COLLAR BEARING AGAINST A CORRESPONDING COLLAR ON AN ADJACENT BODY, SAID JACKET FINS AND COLLAR BEING FORMED OF A NON-FISSIONABLE MATERIAL, SAID COOLANT FLOWING BETWEEN SAID BODIES.
Claim 2
Dependent Claim
143 words
IN A NEUTRONIC REACTOR HAVING A REACTIVE PORTION WITH A COOLANT FLOWING THERETHROUGH, THE IMPROVEMENT COMPRISING A PLURALITY OF ROD-LIKE BODIES OF A FISSIONABLE MATERIAL, EACH ENCASED IN A FLUID-TIGHT JACKET, A FIRST SET OF SPACED LONGITUDINAL FINS ON THE EXTERIOR OF SAID EXTENDING RADIALLY FROM SAID JACKETS AND A SECOND SET OF SPACED LONGITUDINAL FINS EXTENDED RADIALLY BEYOND SAID FIRST SET OF FINS AND AT LEAST ONE TUBULAR COLLAR MOUNTED ON AND CIRCLING SAID EXTENDED FINS EXTENDING OVER A RELATIVELY SMALL PORTION OF THE LENGTH OF EACH BODY AND WHEREIN THE EXTENDED FINS ON EACH JACKET ARE ALIGNED SO THAT THE COLLARS ON ADJACENT BODIES ARE IN CONTRACT ALONG LINES INTERMEDIATE SAID EXTENDED FINS, SAID COLLAR BEARING AGAINST A CORRESPONDING COLLAR ON AN ADJACENT BODY, SAID JACKET FINS AND COLLAR BEING FORMED OF A NON-FISSIONABLE MATERIAL, SAID COOLANT FLOWING BETWEEN SAID BODIES.
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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) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |