Patent US4131283A successfully refreshed from Google Patents.
Patent US3138534A successfully refreshed from Google Patents.
US3138534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel arrangement for a neutronic test reactor
Assignee: Westinghouse Electric Corp
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Filing: 1960-09-06
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Granted: 1964-06-23
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Expires: 1980-09-06
Abstract
No abstract record available.
Inventors
- 👤 Frisch Erling
- 👤 Mortimer A Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:19
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/36; G21C1/00; G21C1/30; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN A NEUTRONIC REACTOR HAVING OPPOSED UPPER AND LOWER SUPPORTING PLATES, A FUEL ELEMENT COMPRISING A PLURALITY OF ELONGATED SUBSTANTIALLY COAXIALLY-POSITIONED FUEL BEARING TUBES, MEANS FOR SUPPORTING SAID FUEL TUBES RELATIVE TO EACH OTHER AND RELATIVE TO SAID SUPPORTING PLATES, SAID SUPPORTING MEANS INCLUDING A NOZZLE HAVING AN OPENING FOR COOLANT FLOW AND BEING DISPOSED ADJACENT EACH END OF SAID FUEL TUBES, EACH OF SAID NOZZLES HAVING A PLURALITY OF SPOKES PROJECTING INWARDLY OF ITS OPENING TO A LIMITED EXTENT, THE ENDS OF AT LEAST ONE OF SAID FUEL TUBES BEING SECURINGLY SUPPORTED BY SAID SPOKES, SAID NOZZLES BEING SUPPORTINGLY POSITIONED IN A FLOW OPENING IN SAID SUPPORTING PLATES, RESPECTIVELY, A TUBULAR SPECIMEN HOLDER INSERTABLE THROUGH THE UPPER NOZZLE OPENING INWARDLY OF THE UPPER NOZZLE SPOKES TO A POSITION INWARDLY OF THE INNER ONE OF SAID FUEL TUBES, AND MEANS FOR SUPPORTING SAID HOLDER IN ITS INSERTED POSITION, THE LST MENTIONED SUPPORTING MEANS INCLUDING AN OUTWARDLY EXTENDING FLANGE ON SAID HOLDER BEING SUPPORTED BY SAID UPPER NOZZLE SPOKES.
Claim 2
Dependent Claim
168 words
IN A NEUTRONIC REACTOR HAVING OPPOSED UPPER AND LOWER SUPPORTING PLATES, A FUEL ELEMENT COMPRISING A PLURALITY OF ELONGATED SUBSTANTIALLY COAXIALLY-POSITIONED FUEL BEARING TUBES, MEANS FOR SUPPORTING SAID FUEL TUBES RELATIVE TO EACH OTHER AND RELATIVE TO SAID SUPPORTING PLATES, SAID SUPPORTING MEANS INCLUDING A NOZZLE HAVING AN OPENING FOR COOLANT FLOW AND BEING DISPOSED ADJACENT EACH END OF SAID FUEL TUBES, EACH OF SAID NOZZLES HAVING A PLURALITY OF SPOKES PROJECTING INWARDLY OF ITS OPENING TO A LIMITED EXTENT, THE ENDS OF AT LEAST ONE OF SAID FUEL TUBES BEING SECURINGLY SUPPORTED BY SAID SPOKES, SAID NOZZLES BEING SUPPORTINGLY POSITIONED IN A FLOW OPENING IN SAID SUPPORTING PLATES, RESPECTIVELY, A TUBULAR SPECIMEN HOLDER INSERTABLE THROUGH THE UPPER NOZZLE OPENING INWARDLY OF THE UPPER NOZZLE SPOKES TO A POSITION INWARDLY OF THE INNER ONE OF SAID FUEL TUBES, AND MEANS FOR SUPPORTING SAID HOLDER IN ITS INSERTED POSITION, THE LST MENTIONED SUPPORTING MEANS INCLUDING AN OUTWARDLY EXTENDING FLANGE ON SAID HOLDER BEING SUPPORTED BY SAID UPPER NOZZLE SPOKES.
References Cited (Backward Citations)
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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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |