US2968550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gall resistant nickel-copper alloy
Assignee: Huntington Alloys Corp
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Filing: 1959-04-22
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Granted: 1961-01-17
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Expires: 1979-04-22
Abstract
No abstract record available.
Inventors
- 👤 John T Eash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:41
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/002; G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/30; G03C5/3021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A NICKEL-BASE ALLOY CHARACTERIZED BY A HIGH RESISTANCE TO GALLING AND BY AN IMPROVED COMBINATION OF MECHANICAL PROPERTIES AND CONTAINING ABOUT 0.5% TO 4.5% SILICON, ABOUT 3% TO ABOUT 12% CHROMIUM, ABOUT 0.02% TO ABOUT 0.75% CARBON, UP TO ABOUT 1.5% MANGANESE UP TO ABOUT 10% IRON, TO ABOUT 4% MOLYBDENUM AND THE BALANCE ESSENTIALLY NICKEL AND COPPER WHEREIN THE NICKEL TO COPPER RATIO IS ABOUT 1.5:1 TO ABOUT 2.5:1.
Claim 2
Dependent Claim
70 words
A NICKEL-BASE ALLOY CHARACTERIZED BY A HIGH RESISTANCE TO GALLING AND BY AN IMPROVED COMBINATION OF MECHANICAL PROPERTIES AND CONTAINING ABOUT 0.5% TO 4.5% SILICON, ABOUT 3% TO ABOUT 12% CHROMIUM, ABOUT 0.02% TO ABOUT 0.75% CARBON, UP TO ABOUT 1.5% MANGANESE UP TO ABOUT 10% IRON, TO ABOUT 4% MOLYBDENUM AND THE BALANCE ESSENTIALLY NICKEL AND COPPER WHEREIN THE NICKEL TO COPPER RATIO IS ABOUT 1.5:1 TO ABOUT 2.5:1.
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) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |