US3039947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel elements for nuclear reactors
Assignee: Individual
•
Filing: 1957-12-16
•
Granted: 1962-06-19
•
Expires: 1977-12-16
Abstract
No abstract record available.
Inventors
- 👤 Fortescue Peter
- 👤 Lockett George Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:52
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/02; G21C3/04; G21C3/041; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A CORE ELEMENT FOR A HIGH TEMPERATURE GAS-COOLED NUCLEAR REACTOR COMPRISING A SUBSTANTIALLY IMPREMEABLE TUBULAR CONTAINER MADE OF NUETRON MODERATAING MATERIAL, A ROD OF NEUTRON MODERATING MATEARIAL LOCATED AXIALLY IN SAID CONTAINER BY MEANS OF A PLURALITY OF FLANGES ON SAID ROD, AND SLEEVES OF NEUTRON MODERATING MATERIAL LOOSELY STACKED IN EACH ANNULAR RECESS DEFINED BETWEEN ADJACENT PAIRS OF LOCATING FLANGES, SAID SLEEVES ALSO CONTAINING SMALL AMOUNTS OF FISSILE AND FERTILE MATERIAL.
Claim 2
Dependent Claim
72 words
A CORE ELEMENT FOR A HIGH TEMPERATURE GAS-COOLED NUCLEAR REACTOR COMPRISING A SUBSTANTIALLY IMPREMEABLE TUBULAR CONTAINER MADE OF NUETRON MODERATAING MATERIAL, A ROD OF NEUTRON MODERATING MATEARIAL LOCATED AXIALLY IN SAID CONTAINER BY MEANS OF A PLURALITY OF FLANGES ON SAID ROD, AND SLEEVES OF NEUTRON MODERATING MATERIAL LOOSELY STACKED IN EACH ANNULAR RECESS DEFINED BETWEEN ADJACENT PAIRS OF LOCATING FLANGES, SAID SLEEVES ALSO CONTAINING SMALL AMOUNTS OF FISSILE AND FERTILE MATERIAL.
References Cited (Backward Citations)
CH286658A
Cited
US2898280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |