US3103477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor
Assignee: —
•
Filing: —
•
Granted: 1963-09-10
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Expires: 1980-09-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:54
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/10; G21C7/113; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C11/00; G21C11/02; G21C3/00; G21C3/30; G21C3/32; G21C5/00; G21C5/02; G21C5/10; G21C5/18; G21C5/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A NUCLEAR REACTOR A NUCLEAR FUEL ELEMENT ASSEMBLY COMPRISING AN ELONGATED CYLINDRICAL SHELL, A MULTIPLICITY OF ELONGATED FUEL CONTAINING COMPONENTS SUBSTANTIALLY FILLING THE INTERIOR OF SAID SHELL AN ARRANGED LONGITUDINALLY ON UNIFORM SPACINGS IN CIRCUMFERENTIAL ROWS AND WITH THE ROWS UNIFORMLY RADIALLY SPACED, A PLURALITY OF SAID FUEL ELEMENT ASSEMBLIES ARRANGED IN PARALLEL ON A CLOSELY SPACED TRIANGULAR PITCH TO FORM A GENERALLY CYLINDRICALLY SHAPED CORE HAVING A MULTIPLICITY OF BICONCAVE SPACES BETWEEN THE CYLINDRICAL FUEL ASSEMBLIES AND SUFFICIENT FISSIONABLE MATERIAL TO SUSTAIN A CHAIN REACTION, AND HIGH NEUTRON ABSORBING CONTROL RODS DISPOSED IN AND ADAPTED TO SUBSTANTIALLY FILL THE BICONCAVE SPACES BETWEEN EACH FOUR ADJACENT FUEL ELEMENT ASSEMBLIES, EACH CONTROL ROD HAVING A CROSS SECTION FORMED BY DOUBLE AND OPPOSING BICONCAVE SURFACES.
Claim 2
Dependent Claim
124 words
IN A NUCLEAR REACTOR A NUCLEAR FUEL ELEMENT ASSEMBLY COMPRISING AN ELONGATED CYLINDRICAL SHELL, A MULTIPLICITY OF ELONGATED FUEL CONTAINING COMPONENTS SUBSTANTIALLY FILLING THE INTERIOR OF SAID SHELL AN ARRANGED LONGITUDINALLY ON UNIFORM SPACINGS IN CIRCUMFERENTIAL ROWS AND WITH THE ROWS UNIFORMLY RADIALLY SPACED, A PLURALITY OF SAID FUEL ELEMENT ASSEMBLIES ARRANGED IN PARALLEL ON A CLOSELY SPACED TRIANGULAR PITCH TO FORM A GENERALLY CYLINDRICALLY SHAPED CORE HAVING A MULTIPLICITY OF BICONCAVE SPACES BETWEEN THE CYLINDRICAL FUEL ASSEMBLIES AND SUFFICIENT FISSIONABLE MATERIAL TO SUSTAIN A CHAIN REACTION, AND HIGH NEUTRON ABSORBING CONTROL RODS DISPOSED IN AND ADAPTED TO SUBSTANTIALLY FILL THE BICONCAVE SPACES BETWEEN EACH FOUR ADJACENT FUEL ELEMENT ASSEMBLIES, EACH CONTROL ROD HAVING A CROSS SECTION FORMED BY DOUBLE AND OPPOSING BICONCAVE SURFACES.
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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |