Patent US3298922A successfully refreshed from Google Patents.
US3298922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear fuel assembly
Assignee: ANGLO-BELGE VULCAIN S A Ste
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Filing: 1964-02-14
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Granted: 1967-01-17
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Prince Michael John
- 👤 Timbs Arthur Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:22
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/34; G21C3/356; G21C3/3566; G21C3/324; G21C3/348; G21C3/3563; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A NUCLEAR FUEL ASSEMBLY COMPRISING A PLURALITY OF ELONGATE FUEL ELEMENTS SUPPORTED IN A BUNDLE WITH THEIR LONGITUDINAL AXES PARALLEL, A CELLULAR GRID PENETRATED BY THE FUEL ELEMENTS, AND RESILIENT RINGS SECURED IMMOVABLY INTO THE GRID AND INTERPOSED AS SPACERS BETWEEN AND IN CONTACT WITH ADJACENT FUEL ELEMENTS, SAID CELLULAR GRID COMPRISING SINUOUS METAL SRIPS, DEFINING POLYGONAL CELLS PENETRATED BY THE FUEL ELEMENTS, SAID METAL STRIPS HAVING CLOSED SLOTS FORMED THEREIN WHICH ARE BOUNDARIED ON ALL SIDES BY THE METAL OF THE STRIPS, THE SLOTS OF EACH STRIP BEING LOCATED AT CELL CORNERS AND EXTENDING LENGTHWISE OUTWARDLY FROM THE CORNERS TO FORM CLOSED SOCKETS IN COOPERATION WITH SLOTS IN AN ADJACENT STRIP, THE RESILIENT RINGS BEING SECURED IMMOVABLY INTO THE SOCKETS WITH THE RING AXES PARALLEL TO THE LONGITUDINAL AXES OF THE FUEL ELEMENTS AND EACH RING BEING IN CONTACT WITH ADJACENT FUEL ELEMENTS.
Claim 2
Dependent Claim
144 words
A NUCLEAR FUEL ASSEMBLY COMPRISING A PLURALITY OF ELONGATE FUEL ELEMENTS SUPPORTED IN A BUNDLE WITH THEIR LONGITUDINAL AXES PARALLEL, A CELLULAR GRID PENETRATED BY THE FUEL ELEMENTS, AND RESILIENT RINGS SECURED IMMOVABLY INTO THE GRID AND INTERPOSED AS SPACERS BETWEEN AND IN CONTACT WITH ADJACENT FUEL ELEMENTS, SAID CELLULAR GRID COMPRISING SINUOUS METAL SRIPS, DEFINING POLYGONAL CELLS PENETRATED BY THE FUEL ELEMENTS, SAID METAL STRIPS HAVING CLOSED SLOTS FORMED THEREIN WHICH ARE BOUNDARIED ON ALL SIDES BY THE METAL OF THE STRIPS, THE SLOTS OF EACH STRIP BEING LOCATED AT CELL CORNERS AND EXTENDING LENGTHWISE OUTWARDLY FROM THE CORNERS TO FORM CLOSED SOCKETS IN COOPERATION WITH SLOTS IN AN ADJACENT STRIP, THE RESILIENT RINGS BEING SECURED IMMOVABLY INTO THE SOCKETS WITH THE RING AXES PARALLEL TO THE LONGITUDINAL AXES OF THE FUEL ELEMENTS AND EACH RING BEING IN CONTACT WITH ADJACENT FUEL ELEMENTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |