US3005254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazed zirconium base alloy structures
Assignee: Westinghouse Electric Corp
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Filing: 1958-05-29
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Granted: 1961-10-24
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Expires: 1978-05-29
Abstract
No abstract record available.
Inventors
- 👤 Donald E Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:59
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/32; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A BRAZED STRUCTURE COMPRISING TWO ZIRCONIUM BASE ALLOY MEMBERS HAVING SURFACES DISPOSED CLOSE TO ONE ANOTHER, AND A LAYER OF BRAZING ALLOY DISPOSED BETWEEN AND BONDED TO BOTH SURFACES, THE ALLOY COMPRISING FROM 0.1% TO 2.5% TIN, FROM 0.1% TO 2% BY WEIGHT OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF IRON, NICKEL AND CHROMIUM, FROM 1% TO 10% BERYLLIUM AND THE BALANCE BEING ZIRCONIUM AND NOT IN EXCESS OF 0.5% OF IMPURITIES.
Claim 2
Dependent Claim
76 words
A BRAZED STRUCTURE COMPRISING TWO ZIRCONIUM BASE ALLOY MEMBERS HAVING SURFACES DISPOSED CLOSE TO ONE ANOTHER, AND A LAYER OF BRAZING ALLOY DISPOSED BETWEEN AND BONDED TO BOTH SURFACES, THE ALLOY COMPRISING FROM 0.1% TO 2.5% TIN, FROM 0.1% TO 2% BY WEIGHT OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF IRON, NICKEL AND CHROMIUM, FROM 1% TO 10% BERYLLIUM AND THE BALANCE BEING ZIRCONIUM AND NOT IN EXCESS OF 0.5% OF IMPURITIES.
References Cited (Backward Citations)
US2798843A
Cited
US2857663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |