US3343950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel-chromium alloys useful in the production of wrought articles for high temperature application
Assignee: Huntington Alloys Corp
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Filing: 1964-12-21
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Granted: 1967-09-26
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Richards Edward Gordon
- 👤 Twigg Peter Lindsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:20
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
AN AGE-HARDENABLE ALLOY HAVING AN ADVANTAGEOUS COMBINATION OF MECHANICAL CHARACTERISTICS AT TEMPERATURES ABOVE ABOUT 600*C. AND WHICH IS FURTHER CHARACTERIZED BY NOTCH INSENSITIVITY AND BY RESISTANCE TO HIGH TEMPERATURE EMBRITTLEMENT, SAID ALLOY CONSISTING ESSENTIALLY OF ABOUT 0.02% TO ABOUT 0.1% CARBON, ABOUT 10% TO ABOUT 17% CHROMIUM, ABOUT 11% TO ABOUT 16% COBALT, ABOUT 5% TO ABOUT 9% MOLYBDENU, ABOUT 2.53% TO ABOUT 5.2% ALUMINUM, UP TO ABOUT 1.73% TITANIUM, THE TOTAL CONTENT OF ALUMINUM AND TITANIUM BEING ABOUT 3.8% TO ABOUT 5.2% AND THE RATIO OF ALUMINUM TO TITANIUM BEING AT LEAST 2:1, ABOUT 1% TO ABOUT 2.5% COLUMBIUM, UP TO ABOUT 2% VANADIUM, THE TOTAL CONTENT OFCOLUMBIUM AND VANADIUM BEING ABOUT 2% TO ABOUT 4% AND THE RATIO OF VANADIUM TO COLUMBIUM NOT EXCEEDING 1.5:1 ABOUT 0.001% TO 0.01% BORON, ABOUT 0.01% TO ABOUT 0.1% ZIRCONIUM, AND THE BALANCE ESSENTIALLY NICKEL, THE TOTAL CONTENT OF ALUMINUM, TITANIUM, COLUMBIUM AND VANADIUM BEING ABOUT 6.3% TO ABOUT 8.5%.
Claim 2
Dependent Claim
158 words
AN AGE-HARDENABLE ALLOY HAVING AN ADVANTAGEOUS COMBINATION OF MECHANICAL CHARACTERISTICS AT TEMPERATURES ABOVE ABOUT 600*C. AND WHICH IS FURTHER CHARACTERIZED BY NOTCH INSENSITIVITY AND BY RESISTANCE TO HIGH TEMPERATURE EMBRITTLEMENT, SAID ALLOY CONSISTING ESSENTIALLY OF ABOUT 0.02% TO ABOUT 0.1% CARBON, ABOUT 10% TO ABOUT 17% CHROMIUM, ABOUT 11% TO ABOUT 16% COBALT, ABOUT 5% TO ABOUT 9% MOLYBDENU, ABOUT 2.53% TO ABOUT 5.2% ALUMINUM, UP TO ABOUT 1.73% TITANIUM, THE TOTAL CONTENT OF ALUMINUM AND TITANIUM BEING ABOUT 3.8% TO ABOUT 5.2% AND THE RATIO OF ALUMINUM TO TITANIUM BEING AT LEAST 2:1, ABOUT 1% TO ABOUT 2.5% COLUMBIUM, UP TO ABOUT 2% VANADIUM, THE TOTAL CONTENT OFCOLUMBIUM AND VANADIUM BEING ABOUT 2% TO ABOUT 4% AND THE RATIO OF VANADIUM TO COLUMBIUM NOT EXCEEDING 1.5:1 ABOUT 0.001% TO 0.01% BORON, ABOUT 0.01% TO ABOUT 0.1% ZIRCONIUM, AND THE BALANCE ESSENTIALLY NICKEL, THE TOTAL CONTENT OF ALUMINUM, TITANIUM, COLUMBIUM AND VANADIUM BEING ABOUT 6.3% TO ABOUT 8.5%.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |