Patent US2977222A successfully refreshed from Google Patents.
US2977222A
Expired / Lapsed
US
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Heat-resisting nickel base alloys
Assignee: Huntington Alloys Corp
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Filing: 1955-08-22
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Granted: 1961-03-28
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Expires: 1975-08-22
Abstract
No abstract record available.
Inventors
- 👤 Bieber Clarence George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:28
CPC Classifications
C; C22; C22C; C22C19/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
A NICKEL-BASE ALLOY CONTAINING FROM ABOUT 5% TO 20% CHROMIUM, FROM ABOUT 1% TO 10% MOLYBDENUM, UP TO ABOUT 40% COBALT, FROM ABOUT 4.5% TO 8.5% OF ALUMINUM PLUS TITANIUM WITH THE RATIO OF ALUMINUM TO TITANIUM BEING FROM ABOUT 0.5 TO 1 TO 3 TO 1, THE ALLOY BEING CAPABLE OF WITHSTANDING AN APPLIED STRESS OF THIRTYFIVE THOUSAND POUNDS PER SQUARE INCH AT 1500* F. FOR A TIME IN EXCESS OF 200 HOURS CONTINUOUSLY, WITHOUT RUPTURE.
References Cited (Backward Citations)
US2150095A
Cited
US2575915A
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US2570193A
Cited
GB632712A
Cited
US2712498A
Cited
US2688536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |