US3562024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cobalt-nickel base alloys containing chromium and molybdenum
Assignee: SPS Technologies LLC
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Filing: 1967-12-04
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Granted: 1971-02-09
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Expires: 1987-12-04
Abstract
Abstract CORRISION-RESISTANT ALLOYS WHICH CAN BE WORK-STRENGTHENED TO HAVE A COMBINATION OF VERY HIGH ULTIMATE TENSILE STRENGTH, YIELD STRENGTH AND DUCTILITY, THE ALLOYS CONTAINING AS ESSENTIAL ELEMENTS, BY WEIGHT 33 TO 37% NICKEL, 7 TO 10.5% MOLYBDENUM, 19 TO 21% CHROMIUM, CARBON IN A MAXIMUM AMOUNT OF 0.025%, THE BALANCE BEING COBALT IN THE PROPORTION OF AT LEAST 33%, THE SUM OF COBALT AND NICKEL BEING FROM 66 TO 74% AND SAID SUM DIVIDED BY THE PERCENT CHROMIUM BEING FROM 3.1 TO 3.9.
Inventors
- 👤 Gaylord D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:06
CPC Classifications
C; C22; C22C; C22C19/00
Claims Analysis
Total Claims: 0
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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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |