Patent USRE27950E successfully refreshed from Google Patents.
USRE27950E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel arrangement for a nuclear reactor
Assignee: —
•
Filing: 1971-06-15
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Granted: 1974-03-26
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Expires: 1991-06-15
Abstract
Abstract A FUEL ASSEMBLY SUPPORT STRUCTURE FOR PERMITTING INDIVIDUAL LONGITUDINAL EXPANSION OF A BUNDLE OF LONG FUEL ELEMENTS, YET MAINTAINING ACCURATE LATERAL SPACING. THE SUPPORT STRUCTURE INCLUDES ONE OR MORE GRIDS FORMING OPENTINGS, THROUGH WHICH THE FUEL ELEMENETS EXTEND AND HAS SPRINGS EXTENDING INTO THE OPENINGS TO THE ENGAGES THE FUEL ELEEMENTS TO POSITION THEM LATERALLY, YET PERMIT EACH FUEL ELEMENT TO EXPAND LENGTHWISE. THE SUPPORT STRUCTURE INCLUDES A LONG STRUCTURAL DEVICE TO WHICH THE GRID IS SECURED FOR STABILIZING THE POSITION OF THE GRD RELATIVE TO THE MOVABLE FUEL ELEMENTS. A NOVEL END PLATE CONFIGURATION FOR A FUEL ASSEMBLY IS ALSO INCLUDED.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:47
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/33; G21C3/332; G21C3/34; G21C3/344; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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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) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |