US2984612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor refuelling devices
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1958-07-01
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Granted: 1961-05-16
•
Expires: 1978-07-01
Abstract
No abstract record available.
Inventors
- 👤 Hackney Stanley
- 👤 Packman Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:25
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/16; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN COMBINATION WITH A NUCLEAR REACTOR OF THE KIND COMPRISING A CORE STRUCTURE DEFINING VERTICALLY ORIENTATED FUEL ELEMENT CHANNELS PASSING THERETHROUGH, A DEVICE FOR GIVING ACCESS TO AT LEAST TWO OF THE FUEL ELEMENT CHANNELS COMPRISING VERTICALLY ORIENTATED TUBE, BRANCH TUBES EXTENDING TOWARDS THE CORE STRUCTURE FROM THAT END OF SAID VERTICALLY ORIENTATED TUBE WHICH IS NEAREST THE CORE STRUCTURE AND EACH CONNECTING WITH ONE OF SAID FUEL ELEMENT CHANNELS, A MEMBER IN AND ROTATABLE ABOUT THE LONGITUDINAL AXIS OF SAID VERTICALLY ORIENTATED TUBE DEFINING A PASSAGEWAY LENGTHWISE THROUGH THE TUBE AND TERMINATING AT A POINT OFF CENTRE IN THE TUBE TO COUPLE WITH ANY ONE OF SAID BRANCH TUBES DEPENDING ON THE ANGULAR POSITION OF THE MEMBER IN THE TUBE AND MEANS DEFINING APERTURES FOR COOLANT FLOW THROUGH THE WALLS OF SAID BRANCH TUBES.
Claim 2
Dependent Claim
135 words
IN COMBINATION WITH A NUCLEAR REACTOR OF THE KIND COMPRISING A CORE STRUCTURE DEFINING VERTICALLY ORIENTATED FUEL ELEMENT CHANNELS PASSING THERETHROUGH, A DEVICE FOR GIVING ACCESS TO AT LEAST TWO OF THE FUEL ELEMENT CHANNELS COMPRISING VERTICALLY ORIENTATED TUBE, BRANCH TUBES EXTENDING TOWARDS THE CORE STRUCTURE FROM THAT END OF SAID VERTICALLY ORIENTATED TUBE WHICH IS NEAREST THE CORE STRUCTURE AND EACH CONNECTING WITH ONE OF SAID FUEL ELEMENT CHANNELS, A MEMBER IN AND ROTATABLE ABOUT THE LONGITUDINAL AXIS OF SAID VERTICALLY ORIENTATED TUBE DEFINING A PASSAGEWAY LENGTHWISE THROUGH THE TUBE AND TERMINATING AT A POINT OFF CENTRE IN THE TUBE TO COUPLE WITH ANY ONE OF SAID BRANCH TUBES DEPENDING ON THE ANGULAR POSITION OF THE MEMBER IN THE TUBE AND MEANS DEFINING APERTURES FOR COOLANT FLOW THROUGH THE WALLS OF SAID BRANCH TUBES.
References Cited (Backward Citations)
US2756858A
Cited
US2863815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |