US3243350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clad alloy fuel elements
Assignee: Individual
•
Filing: 1956-01-13
•
Granted: 1966-03-29
•
Expires: 1976-01-13
Abstract
No abstract record available.
Inventors
- 👤 Lustman Benjamin
- 👤 Robert K Mcgeary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:14
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/28; G21C3/04; G21C3/06; G21C3/07; G21C3/42; G21C3/58; G21C3/60; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A MEMBER SUITABLE FOR USE AS A FUEL EMEMENT IN A NUCLEAR REACTOR AND HAVING A MINIMUM LIFE OF ABOUT 125 DAYS EVEN WHEN ITS CLADDING CONTAINS A HOLE HAVING A DIAMETER OF 0.04 INCH COMPRISING A CORE COMPRISING AN ALLOY COMPOSED OF FROM 75% TO 99% BY WEIGHT OF URANIUM AND THE BALANCE BEING AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF NIOBIUM AND MOLYBDENUM, AND A CLADDING LAYER COVERING THE CORE COMPRISING AN ALLOY CONSISTING ESSENTIALLY OF FROM 0.1% TO 2.5% BY WEIGHT OF TIN, FROM 0.1% TO 2% BY WEIGHT OF AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF IRON, NICKEL AND CHROMIUM AND THE BALANCE BEING ZIRCONIUM, WITH LESS THAN 0.5% OF INCIDENTAL IMPURITIES, THE THICKNESS OF THE CLADDING LAYER BEING 0.03 INCH.
Claim 2
Dependent Claim
131 words
A MEMBER SUITABLE FOR USE AS A FUEL EMEMENT IN A NUCLEAR REACTOR AND HAVING A MINIMUM LIFE OF ABOUT 125 DAYS EVEN WHEN ITS CLADDING CONTAINS A HOLE HAVING A DIAMETER OF 0.04 INCH COMPRISING A CORE COMPRISING AN ALLOY COMPOSED OF FROM 75% TO 99% BY WEIGHT OF URANIUM AND THE BALANCE BEING AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF NIOBIUM AND MOLYBDENUM, AND A CLADDING LAYER COVERING THE CORE COMPRISING AN ALLOY CONSISTING ESSENTIALLY OF FROM 0.1% TO 2.5% BY WEIGHT OF TIN, FROM 0.1% TO 2% BY WEIGHT OF AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF IRON, NICKEL AND CHROMIUM AND THE BALANCE BEING ZIRCONIUM, WITH LESS THAN 0.5% OF INCIDENTAL IMPURITIES, THE THICKNESS OF THE CLADDING LAYER BEING 0.03 INCH.
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |