US3131129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel elements for use in nuclear reactors
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1956-10-15
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Granted: 1964-04-28
•
Expires: 1976-10-15
Abstract
No abstract record available.
Inventors
- 👤 Morrison Ian Hugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:41
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/045; B01D17/08; B01D17/10; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A NUCLEAR REACTOR FUEL ELEMENT COMPRISING A FUEL ROD AND A PROTECTIVE SHEATH IN WHICH THE FUEL ROD IS SECURED, THE FUEL ROD AND PROTECTIVE SHEATH HAVING MUTUALLY OPPOSING LONGITUDINAL WALLS IN CONTACT WITH ONE ANOTHER, THE LONGITUDINAL WALL OF THE FUEL ROD HAVING A SERIES OF SPACED RECESSES THEREIN AND THE LONGITUDINAL WALL OF THE PROTECTIVE SHEATH HAVING A CORRESPONDING SERIES OF INWARDLY DIRECTED PROTRUSIONS THEREON EACH ENGAGED IN ONE OF SAID RECESSES, AND A PAIR OF CAPS CLOSING THE ENDS OF THE SHEATH.
Claim 2
Dependent Claim
85 words
A NUCLEAR REACTOR FUEL ELEMENT COMPRISING A FUEL ROD AND A PROTECTIVE SHEATH IN WHICH THE FUEL ROD IS SECURED, THE FUEL ROD AND PROTECTIVE SHEATH HAVING MUTUALLY OPPOSING LONGITUDINAL WALLS IN CONTACT WITH ONE ANOTHER, THE LONGITUDINAL WALL OF THE FUEL ROD HAVING A SERIES OF SPACED RECESSES THEREIN AND THE LONGITUDINAL WALL OF THE PROTECTIVE SHEATH HAVING A CORRESPONDING SERIES OF INWARDLY DIRECTED PROTRUSIONS THEREON EACH ENGAGED IN ONE OF SAID RECESSES, AND A PAIR OF CAPS CLOSING THE ENDS OF THE SHEATH.
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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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |