US2763543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Restorable alloys
Assignee: Nyby Bruk AB
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Filing: 1953-05-25
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Granted: 1956-09-18
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Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 Wagner Anton Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:49
CPC Classifications
C; C22; C22C; C22C19/00; C22C28/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
OBJECTS WHICH DURING THEIR USE ARE TO BE SUBJECTED TO TEMPERATURES OF AT LEAST 650* C. AND WHICH ARE NONSENSIBLE TO SUPERHEATING ABOVE THEIR TEMPERATURES OF UTILIZATION BY RECOVERING THEIR STRENGTH AND HARDNESS WHEN THE TEMPERATURE IS RETURNED TO SAID TEMPERATURE OF UTILIZATION, CHARACTERIZED IN THAT THEY ARE PRODUCED FROM A NONPRECIPITATION HARDENING ALLOY OF AT LEAST ONE OF THE AUSTENITIC STRUCTURE AND CONTAINING AT LEAST ONE OF THE GAMMA FORMING ELEMENTS NI AND MN WITHIN THE RANGE FROM 10% TO 45%, FROM A TRACE UP TO 1% OF AT LEAST ONE OF THE ELEMENTS V, MO AND W, AT LEAST 20% FE+CO, NOT MORE THAN 0.6% C, CR WITHIN THE RANGE FROM 13.7 TO 30%, THE COMMON ACCESSORY ELEMENTS SI, N,P AND S AND FURTHER TI IN SUCH CONTENT THAT THE ACTIVE TI-CONTENT IS AT LEAST THE ONE DEFINED BY A CURVE IN A COORDINATE SYSTEM SET FORTH IN FIG. 1 OF THE DRAWINGS, SAID CURVE PASSING THROUGH THE POINT 20% FE+CO AND 0.25% TI; 30% FE+CO AND 0.35% TI; 40% FE+CO AND 0.25% TI; 30% FE+CO AND AND 0.7% TI: 60% FE+CO AND 0.9% TI; 70% FE+CO AND 1.25% TI; 75% FE+CO AND 1.5% TI BUT NOT EXCEEDING 2%.
Claim 2
Dependent Claim
201 words
OBJECTS WHICH DURING THEIR USE ARE TO BE SUBJECTED TO TEMPERATURES OF AT LEAST 650* C. AND WHICH ARE NONSENSIBLE TO SUPERHEATING ABOVE THEIR TEMPERATURES OF UTILIZATION BY RECOVERING THEIR STRENGTH AND HARDNESS WHEN THE TEMPERATURE IS RETURNED TO SAID TEMPERATURE OF UTILIZATION, CHARACTERIZED IN THAT THEY ARE PRODUCED FROM A NONPRECIPITATION HARDENING ALLOY OF AT LEAST ONE OF THE AUSTENITIC STRUCTURE AND CONTAINING AT LEAST ONE OF THE GAMMA FORMING ELEMENTS NI AND MN WITHIN THE RANGE FROM 10% TO 45%, FROM A TRACE UP TO 1% OF AT LEAST ONE OF THE ELEMENTS V, MO AND W, AT LEAST 20% FE+CO, NOT MORE THAN 0.6% C, CR WITHIN THE RANGE FROM 13.7 TO 30%, THE COMMON ACCESSORY ELEMENTS SI, N,P AND S AND FURTHER TI IN SUCH CONTENT THAT THE ACTIVE TI-CONTENT IS AT LEAST THE ONE DEFINED BY A CURVE IN A COORDINATE SYSTEM SET FORTH IN FIG. 1 OF THE DRAWINGS, SAID CURVE PASSING THROUGH THE POINT 20% FE+CO AND 0.25% TI; 30% FE+CO AND 0.35% TI; 40% FE+CO AND 0.25% TI; 30% FE+CO AND AND 0.7% TI: 60% FE+CO AND 0.9% TI; 70% FE+CO AND 1.25% TI; 75% FE+CO AND 1.5% TI BUT NOT EXCEEDING 2%.
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) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |