US2568013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cast graphitic nickel alloy and method of making same
Assignee: Huntington Alloys Corp
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Filing: 1948-03-27
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Granted: 1951-09-18
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Expires: 1968-03-27
Abstract
No abstract record available.
Inventors
- 👤 Lee Gerald Linfield
- 👤 Eash John Trimble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:25
CPC Classifications
C; C22; C22C; C22C19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A GRAPHITIC NICKEL ALLOY CONTAINING 1% TO 2% CARBON, 1.5% TO 2% SILICON, 1% 1.5% MANGANESE, SULFUR UP TO 0.08%, MAGNESIUM IN AN AMOUNT EXCEEDING THE AMOUNT OF SULUR PRESENT BY 0.06% TO 0.11% AND THE BALANCE ESSENTIALLY NICKEL, SAID ALLOY BEING CHARACTERIZED BY HIGH STRENGTH COMBINED WITH AN ELONGATION OF AT LEAST 25% AND BY A MICROSTRUCTURE CONTAINING A DENDRITIC PHASE HAVING A EUTECTIC STRUCTURE WITHIN ITSELF AND PART OF SAID CARBON AS GRAPHITE IN A NODULAR FORM.
Claim 2
Dependent Claim
79 words
A GRAPHITIC NICKEL ALLOY CONTAINING 1% TO 2% CARBON, 1.5% TO 2% SILICON, 1% 1.5% MANGANESE, SULFUR UP TO 0.08%, MAGNESIUM IN AN AMOUNT EXCEEDING THE AMOUNT OF SULUR PRESENT BY 0.06% TO 0.11% AND THE BALANCE ESSENTIALLY NICKEL, SAID ALLOY BEING CHARACTERIZED BY HIGH STRENGTH COMBINED WITH AN ELONGATION OF AT LEAST 25% AND BY A MICROSTRUCTURE CONTAINING A DENDRITIC PHASE HAVING A EUTECTIC STRUCTURE WITHIN ITSELF AND PART OF SAID CARBON AS GRAPHITE IN A NODULAR FORM.
References Cited (Backward Citations)
US90476A
Cited
US1501906A
Cited
US1543921A
Cited
US1811696A
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US1986585A
Cited
US2223862A
Cited
US2242865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |