US2968601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element for neutronic reactors
Assignee: Individual
•
Filing: 1957-12-10
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Granted: 1961-01-17
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Expires: 1977-12-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Evans
- 👤 Jr Ermer G Beasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:37
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/36; G21C3/02; G21C3/04; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901; Y10S376/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A FUEL ELEMENT SECTION COMPRISING A FISSIONABLE CLAD FUEL-BEARING PLATE DISPOSED IN THE FORM OF A MULTITURN SPIRAL, THE FIRST TURN OF WHICH IS RADIALLY SPACED FROM A LONGITUDINAL AXIS AND THE REMAINING TURNS OF WHICH ARE RELATIVELY CLOSELY WOULD ABOUT SAID FIRST TURN, THE ENDS OF SAID PLATE THUS BEING LINERARLY DISPOSED SUBSTANTIALLY PARALLEL TO SAID AXIS AND THE EDGES OF SAID PLATE THUS BEING SPIRALLY DISPOSED IN PLANES SUBSTANTIALLY PERPENDICULAR TO SAID AXIS, EACH OF SAID SPIRALLY-DISPOSED EDGES BEING PROVIDED WITH A CENTRALLY APERTURED COVER PLATE AFFIXED IN FLUID TIGHT RELATIONSHIP, THUS PROVIDING SAID FUEL ELEMENT WITH THE APPROXIMATE FORM OF A HOLLOW CYLINDER AND WITH A SPIRALLY-FORMED FLUID PASSAGEWAY BETWEEN THE AXIAL APERTURE THUS DEFINED AND THE EXTERIOR OF SAID FUEL ELEMENT.
Claim 2
Dependent Claim
125 words
A FUEL ELEMENT SECTION COMPRISING A FISSIONABLE CLAD FUEL-BEARING PLATE DISPOSED IN THE FORM OF A MULTITURN SPIRAL, THE FIRST TURN OF WHICH IS RADIALLY SPACED FROM A LONGITUDINAL AXIS AND THE REMAINING TURNS OF WHICH ARE RELATIVELY CLOSELY WOULD ABOUT SAID FIRST TURN, THE ENDS OF SAID PLATE THUS BEING LINERARLY DISPOSED SUBSTANTIALLY PARALLEL TO SAID AXIS AND THE EDGES OF SAID PLATE THUS BEING SPIRALLY DISPOSED IN PLANES SUBSTANTIALLY PERPENDICULAR TO SAID AXIS, EACH OF SAID SPIRALLY-DISPOSED EDGES BEING PROVIDED WITH A CENTRALLY APERTURED COVER PLATE AFFIXED IN FLUID TIGHT RELATIONSHIP, THUS PROVIDING SAID FUEL ELEMENT WITH THE APPROXIMATE FORM OF A HOLLOW CYLINDER AND WITH A SPIRALLY-FORMED FLUID PASSAGEWAY BETWEEN THE AXIAL APERTURE THUS DEFINED AND THE EXTERIOR OF SAID FUEL ELEMENT.
References Cited (Backward Citations)
FR999330A
Cited
US2782158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |