US3284191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel-aluminum alloy steel for production of gears, steel plate and the like
Assignee: Huntington Alloys Corp
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Filing: 1966-02-09
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Granted: 1966-11-08
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Expires: 1986-02-09
Abstract
No abstract record available.
Inventors
- 👤 Hydrean Peter Paul
- 👤 Gullotti Damian Vincent
- 👤 Eash John Trimble
- 👤 Yeo Ralph Bertram Grenville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:47
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A NOVEL, LOW ALLOY TEMPAGING STEEL CHARACTERIZED IN THE AGED CONDITION BY A YIELD STRENGTH OF UP TO ABOUT 200,000 P.S.I., A ROCKWELL HARDNESS OF AT LEAST ABOUT RC 37 AND UP TO AT LEAST RC 43 AND A CHARPY V-NOTCH IMPACT ENERGY LEVEL OF ABOUT AT LEAST 20 FT.-LBS. AND HAVING A COMPOSITION WITHIN THE FOLLOWING RANGES: 0.04% AND UP TO NOT MORE THAN 0.25% CARBON, AT LEAST 4.5% AND UP TO 10% NICKEL, AT LEAST 0.6% AND UP ABOUT 1.2% ALUMINUM, THE RATIO OF NICKEL TO ALUMINUM BEING AT LEAST 5 TO 1, ABOUT 0.5%TO 2% MOLYBDENUM, UP TO 1.5% CHROMINUM, MANGANSES IN AN AMOUNT UP TO 1.5% CHROMIUN, MANTO 0.5%, UP TO 5% COBALT, UP TO 2% COPPER AND THE BALANCE ESSENTIALLY IRON.
Claim 2
Dependent Claim
126 words
A NOVEL, LOW ALLOY TEMPAGING STEEL CHARACTERIZED IN THE AGED CONDITION BY A YIELD STRENGTH OF UP TO ABOUT 200,000 P.S.I., A ROCKWELL HARDNESS OF AT LEAST ABOUT RC 37 AND UP TO AT LEAST RC 43 AND A CHARPY V-NOTCH IMPACT ENERGY LEVEL OF ABOUT AT LEAST 20 FT.-LBS. AND HAVING A COMPOSITION WITHIN THE FOLLOWING RANGES: 0.04% AND UP TO NOT MORE THAN 0.25% CARBON, AT LEAST 4.5% AND UP TO 10% NICKEL, AT LEAST 0.6% AND UP ABOUT 1.2% ALUMINUM, THE RATIO OF NICKEL TO ALUMINUM BEING AT LEAST 5 TO 1, ABOUT 0.5%TO 2% MOLYBDENUM, UP TO 1.5% CHROMINUM, MANGANSES IN AN AMOUNT UP TO 1.5% CHROMIUN, MANTO 0.5%, UP TO 5% COBALT, UP TO 2% COPPER AND THE BALANCE ESSENTIALLY IRON.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |