US3057793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvements relating to locking arrangements for nuclear reactor fuel elements
Assignee: Aei-John Thompson Nuclear Energy Co Ltd
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Filing: 1960-09-12
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Granted: 1962-10-09
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Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 Coates Graham
- 👤 Bryant Terence Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:32
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C15/00; G21C15/02; G21C15/04; G21C15/24; G21C15/26; G21C5/00; G21C5/02; G21C5/06; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A NUCLEAR REACTOR HAVING A LIQUID COOLANT, A PLURALITY OF FUEL ELEMENTS EACH COMPRISING FUSSILE MATERIAL IN CASING, SURFACES DEFINING HORIZONTALLY EXTENDING GROOVES IN THE EXTERNAL SURFACES OF SAID FUEL ELEMENT CASINGS, SUPPORTS FOR LOCATING SAID FUEL ELEMENTS VERTICALLY IN THE COOLANT AND MEANS FOR LOCKING SAID FUEL ELEMENTS IN THE SUPPORTS, SAID LOCKING MEANS COMPRISING HORIZONTALLY EXTENDING LOCKING RODS ENGAGING THE GROOVES IN SAID FUEL ELEMENT CASINGS, SURFACES DEFINING RECESSES IN SAID LOCKING RODS AND MEANS FOR MOVING SAID RODS LONGITUDINALLY SO THAT THE RESESSES IN THE LOCKING RODS ARE ALIGNED VERTICALLY WITH THE FUEL ELEMENTS TO PERMIT WITHDRAWL OF THE FUEL ELEMENTS FROM THE SUPPORTS.
Claim 2
Dependent Claim
108 words
IN A NUCLEAR REACTOR HAVING A LIQUID COOLANT, A PLURALITY OF FUEL ELEMENTS EACH COMPRISING FUSSILE MATERIAL IN CASING, SURFACES DEFINING HORIZONTALLY EXTENDING GROOVES IN THE EXTERNAL SURFACES OF SAID FUEL ELEMENT CASINGS, SUPPORTS FOR LOCATING SAID FUEL ELEMENTS VERTICALLY IN THE COOLANT AND MEANS FOR LOCKING SAID FUEL ELEMENTS IN THE SUPPORTS, SAID LOCKING MEANS COMPRISING HORIZONTALLY EXTENDING LOCKING RODS ENGAGING THE GROOVES IN SAID FUEL ELEMENT CASINGS, SURFACES DEFINING RECESSES IN SAID LOCKING RODS AND MEANS FOR MOVING SAID RODS LONGITUDINALLY SO THAT THE RESESSES IN THE LOCKING RODS ARE ALIGNED VERTICALLY WITH THE FUEL ELEMENTS TO PERMIT WITHDRAWL OF THE FUEL ELEMENTS FROM THE SUPPORTS.
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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |