US3054741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor control assemblies
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1957-06-07
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Granted: 1962-09-18
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Expires: 1977-06-07
Abstract
No abstract record available.
Inventors
- 👤 Tatlock John
- 👤 Glass John Alexander Forbes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:54
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/02; G21C11/00; G21C11/02; G21C19/00; G21C19/20; G21C5/00; G21C5/02; G21C5/06; G21C7/00; G21C7/30; G21D; G21D5/00; G21D5/04; G21D5/08; 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
128 words
A NUCLEAR REACTOR COMPRISING A CORE OF CLOSELY SPACED VERTICALLY ORIENTATED CYLINDRICAL FUEL ELEMENTS, MEANS DEFINING CONTROL SECTIONS IN SAID CORE, VERTICALLY MOVABLE CONTROL FUEL ELEMENT CARRIER FRAMES ACCOMMODATED IN SAID CONTROL SECTIONS, GROUPS OF SAID FUEL ELEMENTS BEING SUPPORTED IN SAID CARRIER FRAMES, SAID CARRIER FRAMES AND CONTROL SECTIONS BEING OF TRIANGULAR CROSSSECTION, ROLLERS ATTACHED TO THE UPPER ENDS OF SAID CARRIER FRAMES, MEANS DEFINING ROLLER BEARING SURFACES FOR SAID ROLLERS IN SAID CONTROL SECTIONS, SAID ROLLERS BEING LOCATED ON EACH CARRIER FRAME IN TWO PLANES, THREE ROLLERS IN EACH PLANE AT THE CORNERS OF EACH CARRIER FRAME AND ARRANGED SO THAT EACH FACE OF EACH CARRIER FRAME EXPOSES TWO ROLLERS SPACED APART FROM ONE ANOTHER AND IN DIFFERENT PLANES, HORIZONTAL CARRIER ARMS BELOW SAID CORE, SAID
Claim 2
Dependent Claim
128 words
A NUCLEAR REACTOR COMPRISING A CORE OF CLOSELY SPACED VERTICALLY ORIENTATED CYLINDRICAL FUEL ELEMENTS, MEANS DEFINING CONTROL SECTIONS IN SAID CORE, VERTICALLY MOVABLE CONTROL FUEL ELEMENT CARRIER FRAMES ACCOMMODATED IN SAID CONTROL SECTIONS, GROUPS OF SAID FUEL ELEMENTS BEING SUPPORTED IN SAID CARRIER FRAMES, SAID CARRIER FRAMES AND CONTROL SECTIONS BEING OF TRIANGULAR CROSSSECTION, ROLLERS ATTACHED TO THE UPPER ENDS OF SAID CARRIER FRAMES, MEANS DEFINING ROLLER BEARING SURFACES FOR SAID ROLLERS IN SAID CONTROL SECTIONS, SAID ROLLERS BEING LOCATED ON EACH CARRIER FRAME IN TWO PLANES, THREE ROLLERS IN EACH PLANE AT THE CORNERS OF EACH CARRIER FRAME AND ARRANGED SO THAT EACH FACE OF EACH CARRIER FRAME EXPOSES TWO ROLLERS SPACED APART FROM ONE ANOTHER AND IN DIFFERENT PLANES, HORIZONTAL CARRIER ARMS BELOW SAID CORE, SAID
References Cited (Backward Citations)
US2885893A
Cited
US2841545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |