Patent US3093518A successfully refreshed from Google Patents.
US3093518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel alloy
Assignee: Huntington Alloys Corp
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Filing: 1959-09-11
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Granted: 1963-06-11
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Expires: 1979-09-11
Abstract
No abstract record available.
Inventors
- 👤 Clarence G Bieber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:31
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A HARDENED FERROUS-BASE ALLOY CONTAINING ABOUT 24% TO ABOUT 30% NICKEL, ABOUT 1.5% TO ABOUT 9% OF METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINU, A TITANIUM AND UP TO ABOUT 0.1% CARBON EXHIBITING A HARDNESS IN EXCESS OF AT LEAST ABOUT 50 RC, SAID HARDNESS BEING INDUCED IN SAID ALLOY AFTER SOLUTION TREATMENT BY FIRST AGING SAID ALLOY AT A TEMPERATURE ABOVE THE MARTENSITIC TRANSFORMATION RANGE AND WITHIN THE RANGE OF ABOUT 1100*F. TO ABOUT 1400*F. FOR ABOUT 1 HOUR TO ABOUT 24 HOURS, COOLING SAID ALLOY TO A TREMPERATURE AT LEAST BELOW ABOUT 90*F. TO EFFECT A TRANSFORMATION THEREIN AND TREATAFTER AGAIN AGING SAID ALLOY AT A TEMPERATURE OF ABOUT 500*F. TO ABOUT 1200*F. FOR ABOUT 1/4 HOUR TO ABOUT 24 HOURS.
Claim 2
Dependent Claim
124 words
A HARDENED FERROUS-BASE ALLOY CONTAINING ABOUT 24% TO ABOUT 30% NICKEL, ABOUT 1.5% TO ABOUT 9% OF METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINU, A TITANIUM AND UP TO ABOUT 0.1% CARBON EXHIBITING A HARDNESS IN EXCESS OF AT LEAST ABOUT 50 RC, SAID HARDNESS BEING INDUCED IN SAID ALLOY AFTER SOLUTION TREATMENT BY FIRST AGING SAID ALLOY AT A TEMPERATURE ABOVE THE MARTENSITIC TRANSFORMATION RANGE AND WITHIN THE RANGE OF ABOUT 1100*F. TO ABOUT 1400*F. FOR ABOUT 1 HOUR TO ABOUT 24 HOURS, COOLING SAID ALLOY TO A TREMPERATURE AT LEAST BELOW ABOUT 90*F. TO EFFECT A TRANSFORMATION THEREIN AND TREATAFTER AGAIN AGING SAID ALLOY AT A TEMPERATURE OF ABOUT 500*F. TO ABOUT 1200*F. FOR ABOUT 1/4 HOUR TO ABOUT 24 HOURS.
References Cited (Backward Citations)
US2048163A
Cited
US2048164A
Cited
US1947274A
Cited
US1968569A
Cited
US2285406A
Cited
US2708159A
Cited
US2715576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |