Patent US3151981A successfully refreshed from Google Patents.
US3151981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel-chromium-cobalt alloy
Assignee: Huntington Alloys Corp
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Filing: 1962-02-26
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Granted: 1964-10-06
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Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 Ronald A Smith
- 👤 Heslop John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:01
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN ALLOY FOR USE IN TURBINE STRUCTURES AT TEMPERATURES UP TO ABOUT 600*C. AND HIGHER CONSISTING ESSENTIALLY IN PERCENT BY WEIGHT OF ABOUT 14% TO ABOUT 22% CHROMIUM, ABOUT 10% TO ABOUT 20% COBALT, ABOUT 3% TO ABOUT 10% MOLYBDENUM, GREATER THAN 2.5% TOTAL ALUMINUM AND TITANIUM, SAID ALUMINUM BEING UP TO ABOUT 0.8% AND SAID TITANIUM BEING AT LEAST 2% TO ABOUT 3.5%, ABOUT 0.03% TO 0.09% CARBON, ABOUT 0.01 TO ABOUT 0.01% BORON, ABOUT 0.01% TO ABOUT 0.1% ZIRCONIUM, ABOUT 2% TO ABOUT 5.25% NIOBIUM CORRELATED WITH UP TO ABOUT 25% IRON WITH THE BALANCE BEING ESSENTIALLY NICKEL, SAID ALLOY AFTER SOLUTION TREATMENT AND AGE HARDENING EXHIBITING AN OPTIMUM COMBINATION OF HIGH AND LOW TEMPERATURE TENSILE CHARACTERISTICS, CREEP CHARACTERISTICS, DUCTILITY CHARACTERISTICS AND ELASTIC CHARACTERISTICS FOR ANY
Claim 2
Dependent Claim
128 words
AN ALLOY FOR USE IN TURBINE STRUCTURES AT TEMPERATURES UP TO ABOUT 600*C. AND HIGHER CONSISTING ESSENTIALLY IN PERCENT BY WEIGHT OF ABOUT 14% TO ABOUT 22% CHROMIUM, ABOUT 10% TO ABOUT 20% COBALT, ABOUT 3% TO ABOUT 10% MOLYBDENUM, GREATER THAN 2.5% TOTAL ALUMINUM AND TITANIUM, SAID ALUMINUM BEING UP TO ABOUT 0.8% AND SAID TITANIUM BEING AT LEAST 2% TO ABOUT 3.5%, ABOUT 0.03% TO 0.09% CARBON, ABOUT 0.01 TO ABOUT 0.01% BORON, ABOUT 0.01% TO ABOUT 0.1% ZIRCONIUM, ABOUT 2% TO ABOUT 5.25% NIOBIUM CORRELATED WITH UP TO ABOUT 25% IRON WITH THE BALANCE BEING ESSENTIALLY NICKEL, SAID ALLOY AFTER SOLUTION TREATMENT AND AGE HARDENING EXHIBITING AN OPTIMUM COMBINATION OF HIGH AND LOW TEMPERATURE TENSILE CHARACTERISTICS, CREEP CHARACTERISTICS, DUCTILITY CHARACTERISTICS AND ELASTIC CHARACTERISTICS FOR ANY
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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |