Patent US693161A successfully refreshed from Google Patents.
Patent US3005706A successfully refreshed from Google Patents.
US3005706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High strength alloys of zirconium
Assignee: Westinghouse Electric Corp
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Filing: 1958-05-27
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Granted: 1961-10-24
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Expires: 1978-05-27
Abstract
No abstract record available.
Inventors
- 👤 Donald E Thomas
- 👤 Kass Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:18
CPC Classifications
C; C22; C22C; C22C16/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
AN ALLOY CONSISTING ESSENTIALLY OF FROM 0.1% TO 2.5% BY WEIGHT OF TIN, A TOTAL OF FROM 0.1% TO 2%, BY WEIGHT OF AT LEAST ONE METAL FROM THE GROUP CONSISTING OF IRON, NICKEL AND CHROMIUM, FROM 0.03% TO 1.0% BY WEIGHT OF BERYLLIUM, LESS THAN 0.5% BY WEIGHT OF INCIDENTAL IMPURITIES, AND THE BALANCE BEING ZIRCONIUM.
Claim 2
Dependent Claim
57 words
AN ALLOY CONSISTING ESSENTIALLY OF FROM 0.1% TO 2.5% BY WEIGHT OF TIN, A TOTAL OF FROM 0.1% TO 2%, BY WEIGHT OF AT LEAST ONE METAL FROM THE GROUP CONSISTING OF IRON, NICKEL AND CHROMIUM, FROM 0.03% TO 1.0% BY WEIGHT OF BERYLLIUM, LESS THAN 0.5% BY WEIGHT OF INCIDENTAL IMPURITIES, AND THE BALANCE BEING ZIRCONIUM.
References Cited (Backward Citations)
US2137283A
Cited
US2772964A
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 |