US3134722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting device for fuel element assemblies in a nuclear reactor
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1961-10-03
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Granted: 1964-05-26
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Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Hespel Claude
- 👤 Olivier Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:37
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/02; G21C5/06; G21C3/00; G21C3/02; G21C3/04; G21C3/06; G21C3/12; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A MOUNTING DEVICE FOR FUEL ELEMENT ASSEMBLIES, A NUCLEAR REACTOR, SPACED UPPER AND LOWER GRIDS IN SAID REACTOR, A FUEL ELEMENT ASSEMBLY, A HEAD FOR SAID FUEL ELEMENT ASSEMBLY, A RECESS IN SAID UPPER GRID, SAID HEAD BEING LOCATED IN SAID RECESS, A COLLAR MEMBER FOR SAID HEAD FORMING AN ABUTMENT, SAID HEAD BEING OF PARALLELOPIEPDAL SHAPE IN CROSS-SECTION, A CENTRAL BORE IN SAID HEAD, APERTURES AT THE BASE OF SAID HEAD, A PAWL IN EACH OF SAID APERTURES PIVOTED ON A HORIZONTAL AXIS, A CYLINDRICAL GUIDE TUBE FOR SAID ASSEMBLY SLIDABLY MOUNTED IN SAID BORE AND ENGAGING AND ROTATING SAID PAWLS INTO CONTACT WITH THE LOWER EDGE OF SAID UPPER GRID, LOCKING MEANS BETWEEN SAID HEAD AND SAID GUIDE TUBE, A FUEL ELEMENT CAN SECURED AT THE BASE OF SAID HEAD, AND A FERRULE MEMBER SECURED TO SAID FUEL ELEMENT CAN AND FREELY SLIDABLE IN SAID LOWER GRID.
Claim 2
Dependent Claim
149 words
A MOUNTING DEVICE FOR FUEL ELEMENT ASSEMBLIES, A NUCLEAR REACTOR, SPACED UPPER AND LOWER GRIDS IN SAID REACTOR, A FUEL ELEMENT ASSEMBLY, A HEAD FOR SAID FUEL ELEMENT ASSEMBLY, A RECESS IN SAID UPPER GRID, SAID HEAD BEING LOCATED IN SAID RECESS, A COLLAR MEMBER FOR SAID HEAD FORMING AN ABUTMENT, SAID HEAD BEING OF PARALLELOPIEPDAL SHAPE IN CROSS-SECTION, A CENTRAL BORE IN SAID HEAD, APERTURES AT THE BASE OF SAID HEAD, A PAWL IN EACH OF SAID APERTURES PIVOTED ON A HORIZONTAL AXIS, A CYLINDRICAL GUIDE TUBE FOR SAID ASSEMBLY SLIDABLY MOUNTED IN SAID BORE AND ENGAGING AND ROTATING SAID PAWLS INTO CONTACT WITH THE LOWER EDGE OF SAID UPPER GRID, LOCKING MEANS BETWEEN SAID HEAD AND SAID GUIDE TUBE, A FUEL ELEMENT CAN SECURED AT THE BASE OF SAID HEAD, AND A FERRULE MEMBER SECURED TO SAID FUEL ELEMENT CAN AND FREELY SLIDABLE IN SAID LOWER GRID.
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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |