Patent US3318779A successfully refreshed from Google Patents.
US3318779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element
Assignee: Individual
•
Filing: 1965-06-09
•
Granted: 1967-05-09
•
Expires: 1985-06-09
Abstract
No abstract record available.
Inventors
- 👤 Richard F Turner
- 👤 Dean A Nehrig
- 👤 Harry I Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:09
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/17; G21C3/041; G21C3/26; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A FUEL ELEMENT FOR A NUCLEAR RECTOR UTILIZING A FLUID COOLANT STREAM, WHICH FUEL ELEMENT COMPRISES A PLURALITY OF AXIALLY ALIGNED INTERCONNECTED ELONGATED SEPARATE FUEL ELEMENT BODY SECTIONS IN THE FORM OF SLEEVES HAVING INTERNAL CENTRAL BORES WHICH ARE AXIALLY ALIGHED WITH ONE ANOTHER, EACH OF SAID ELONGATED SLEEVES HAVING FORMED THEREIN LONGITUDINALLY EXTENDING FUEL CHAMBER MEANS, A SPINE OF STRUCTURALLY STRONG REFRACTORY NEUTRON MODERATING MATERIAL COMPRISING THE DPRIMARY LONGITUDINAL STRUCTURAL MEMBER OF THE FUEL ELEMENT AXIALLY DISPOSED WITHIN SAID ALIGNED CENTRAL BORES AND SLIDEABLE THEREIN, SAID SPINE BEING PROPORTIONED TO PROVIDE LONGITUDINALLY EXTENDING PASSAGEWAY MEANS FOR THE FLUID COOLANT IN THE SPACE BETWEEN THE OUTER SURFACE OF SAID SPINE AND THE INNER SURFACE OF SAID BORES, AND A BED OF DISCRETE NUCLEAR FUEL PARTICLES DISPOSED WITHIN EACH FUEL CHAMBER MEANS.
Claim 2
Dependent Claim
131 words
A FUEL ELEMENT FOR A NUCLEAR RECTOR UTILIZING A FLUID COOLANT STREAM, WHICH FUEL ELEMENT COMPRISES A PLURALITY OF AXIALLY ALIGNED INTERCONNECTED ELONGATED SEPARATE FUEL ELEMENT BODY SECTIONS IN THE FORM OF SLEEVES HAVING INTERNAL CENTRAL BORES WHICH ARE AXIALLY ALIGHED WITH ONE ANOTHER, EACH OF SAID ELONGATED SLEEVES HAVING FORMED THEREIN LONGITUDINALLY EXTENDING FUEL CHAMBER MEANS, A SPINE OF STRUCTURALLY STRONG REFRACTORY NEUTRON MODERATING MATERIAL COMPRISING THE DPRIMARY LONGITUDINAL STRUCTURAL MEMBER OF THE FUEL ELEMENT AXIALLY DISPOSED WITHIN SAID ALIGNED CENTRAL BORES AND SLIDEABLE THEREIN, SAID SPINE BEING PROPORTIONED TO PROVIDE LONGITUDINALLY EXTENDING PASSAGEWAY MEANS FOR THE FLUID COOLANT IN THE SPACE BETWEEN THE OUTER SURFACE OF SAID SPINE AND THE INNER SURFACE OF SAID BORES, AND A BED OF DISCRETE NUCLEAR FUEL PARTICLES DISPOSED WITHIN EACH FUEL CHAMBER MEANS.
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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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |