Patent FR1193883A successfully refreshed from Google Patents.
Patent US3173843A successfully refreshed from Google Patents.
US3173843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate-type nuclear fuel elements
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1959-10-21
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Granted: 1965-03-16
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Expires: 1979-10-21
Abstract
No abstract record available.
Inventors
- 👤 Simpson Philip Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:23
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/36; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
150 words
A PLATE-TYPE FUEL ELEMENT COMPRISING AN ELONGATED SUPPORT TUBE, A PLURALITY OF SYMMETRICALLY ARRANGED SUPPORT MEMBERS INTEGRAL WITH THE TUBE AND PROJECTING THEREFROM IN A GENERALLY RADIAL DIRECTION, EACH OF THE SUPPORT MEMBERS BEING IN ONE PIECE AND CONTINUOUS FROM ONE TO THE OTHER OF THE LENGTHWISE ENDS OF SAID SUPPORT TUBE, AND A SERIES OF CURVED AND STRAIGHT-EDGED ELONGATED FUEL PLATES DISPOSED IN IDENTICAL SETS BETWEEN EACH PAIR OF MUTUALLY ADJACENT SUPPORT MEMBERS WITH THE STRAIGHT EDGES OF THE INDIVIDUAL FUEL PLATES SECURED TO THE SUPPORT MEMBERS OF SAID PAIR, EACH SET BEING SEPARATED FROM THE ADJACENT SETS BY THE SAID SUPPORT MEMBERS, AND THE SEVERAL FUEL PLATES IN EACH OF SAID SETS BEING SSECURED IN RADIALLY SPACED RELATIONSHIP WITH THE CURVATURE THEREOF DIRECTED RADIALLY OUTWARDS, THE SERIES OF FUEL PLATES THEREBY FORMING A SERIES OF CONCENTRIC FUEL TUBES INTER-CON NECTED STRUCTURALLY BY SAID SUPPORT MEMBERS, AND THE SUP-
Claim 2
Dependent Claim
150 words
A PLATE-TYPE FUEL ELEMENT COMPRISING AN ELONGATED SUPPORT TUBE, A PLURALITY OF SYMMETRICALLY ARRANGED SUPPORT MEMBERS INTEGRAL WITH THE TUBE AND PROJECTING THEREFROM IN A GENERALLY RADIAL DIRECTION, EACH OF THE SUPPORT MEMBERS BEING IN ONE PIECE AND CONTINUOUS FROM ONE TO THE OTHER OF THE LENGTHWISE ENDS OF SAID SUPPORT TUBE, AND A SERIES OF CURVED AND STRAIGHT-EDGED ELONGATED FUEL PLATES DISPOSED IN IDENTICAL SETS BETWEEN EACH PAIR OF MUTUALLY ADJACENT SUPPORT MEMBERS WITH THE STRAIGHT EDGES OF THE INDIVIDUAL FUEL PLATES SECURED TO THE SUPPORT MEMBERS OF SAID PAIR, EACH SET BEING SEPARATED FROM THE ADJACENT SETS BY THE SAID SUPPORT MEMBERS, AND THE SEVERAL FUEL PLATES IN EACH OF SAID SETS BEING SSECURED IN RADIALLY SPACED RELATIONSHIP WITH THE CURVATURE THEREOF DIRECTED RADIALLY OUTWARDS, THE SERIES OF FUEL PLATES THEREBY FORMING A SERIES OF CONCENTRIC FUEL TUBES INTER-CON NECTED STRUCTURALLY BY SAID SUPPORT MEMBERS, AND THE SUP-
Claim 3
Dependent Claim
66 words
A PLATE-TYPE FUEL ELEMENT AS SET FORTH IN CLAIM 1 WHEREIN SAID SUPPORT MEMBERS ARE SUBSSTANTIALLY Y-SHAPED AND PRESENT PLANAR RADIALLY DIVERGENT SURFACES FOR EDGEWISE SECURING OF SAID FUEL PLATES WHICH SURFACES ESTABLISH A PARALLEL RELATIONSHIP BETWEEN THE OPPOSING SURFACES OF EACH OF SAID PAIRS OF MUTUALLY ADJACENT SUPPORT MEMBERS, THE FUEL PLATES OF SAID SERIES BEING ALL OF EQUAL WIDTH BETWEEN THE STRAIGHT EDGES THEREOF.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |