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US3063833A
Expired / Lapsed
US
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New metal alloy material and method of heat treating
Assignee: Ingersoll Rand Co
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Filing: 1959-12-14
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Granted: 1962-11-13
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Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Shepherd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:46
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A CUPRO-NICKEL ALLOY COMPRISING COPPER WITHIN THE RANGE OF ABOUT 66% TO ABOUT 70%, MANGANESE WITHINN THE RANGE OF ABOUT .83% TO ABOUT 1.41%, IRON IN THE RANGE OF ABOUT .50% TO ABOUT 1.07%, SILICON AND AT LEAST ONE METAL OF THE GROUP CONSISTING OF TANTALUM AND COLUM-MBIUM THE COMBINED PERCENTAGES OF WHICH DO NOT EXCEED 1.75% AND IN WHICH THE PERCENTAGE OF THE METAL IN SAIDD GROUP CONSISTING OF TANTALUM AND COLUMBIUM IS EQUAL TO OR GREATER THAN THE PERCENTAGE OF SILICON WHEN THE SILICON PERCENTAGE EXCEEDS .3%, AND THE BALANCE NICKEL..
Claim 2
Dependent Claim
93 words
A CUPRO-NICKEL ALLOY COMPRISING COPPER WITHIN THE RANGE OF ABOUT 66% TO ABOUT 70%, MANGANESE WITHINN THE RANGE OF ABOUT .83% TO ABOUT 1.41%, IRON IN THE RANGE OF ABOUT .50% TO ABOUT 1.07%, SILICON AND AT LEAST ONE METAL OF THE GROUP CONSISTING OF TANTALUM AND COLUM-MBIUM THE COMBINED PERCENTAGES OF WHICH DO NOT EXCEED 1.75% AND IN WHICH THE PERCENTAGE OF THE METAL IN SAIDD GROUP CONSISTING OF TANTALUM AND COLUMBIUM IS EQUAL TO OR GREATER THAN THE PERCENTAGE OF SILICON WHEN THE SILICON PERCENTAGE EXCEEDS .3%, AND THE BALANCE NICKEL..
References Cited (Backward Citations)
US1502857A
Cited
US2430306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |