Patent US5338059A successfully refreshed from Google Patents.
US3276967A
Expired / Lapsed
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Nuclear fuel unit
Assignee: Anglo-Belge Vulcain Sa Ste
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Filing: 1964-04-15
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Granted: 1966-10-04
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Expires: 1984-04-15
Abstract
No abstract record available.
Inventors
- 👤 Dodd John Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:01
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/02; G21C5/06; G21C3/00; G21C3/02; G21C3/04; G21C3/06; G21C3/12; G21C3/30; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A NUCLEAR FUEL UNIT HAVING AN END FITTING TO SECURE THE UNIT TO A FUEL SUPPORT GRID WHEREIN THE END FITTING COMPRISES A THREADED SPINDLE TO PENETRATE AN APERTURE IN THE GRID, A SHOULDER TO LIMIT THIS PENETRATION, A THREADED NUT TO BE SCREWED ONTO THE SPINDLE TO SECURE SAID UNIT TO SAID GRID, THE CO-OPERATING THREADS ON THE NUT AND THE SPINDLE BEING DISCONTINUOUS AND CAPABLE OF DISENGAGEMENT BY PARTIAL ROOTATION OF THENUT TO PERMIT AXIAL DISPLACEMENT OF THE NUT, AND LOCKING MEANS TO COUNTER ROTATION OF THE NUT ON THE SPINDLE.
Claim 2
Dependent Claim
93 words
A NUCLEAR FUEL UNIT HAVING AN END FITTING TO SECURE THE UNIT TO A FUEL SUPPORT GRID WHEREIN THE END FITTING COMPRISES A THREADED SPINDLE TO PENETRATE AN APERTURE IN THE GRID, A SHOULDER TO LIMIT THIS PENETRATION, A THREADED NUT TO BE SCREWED ONTO THE SPINDLE TO SECURE SAID UNIT TO SAID GRID, THE CO-OPERATING THREADS ON THE NUT AND THE SPINDLE BEING DISCONTINUOUS AND CAPABLE OF DISENGAGEMENT BY PARTIAL ROOTATION OF THENUT TO PERMIT AXIAL DISPLACEMENT OF THE NUT, AND LOCKING MEANS TO COUNTER ROTATION OF THE NUT ON THE SPINDLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |