US2513468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy articles for high temperature service
Assignee: Union Carbide Corp
•
Filing: 1946-05-09
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Granted: 1950-07-04
•
Expires: 1966-05-09
Abstract
No abstract record available.
Inventors
- 👤 Franks Russell
- 👤 William O Binder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:33
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/07; C22C38/00; C22C38/18; C22C38/40; C22C38/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A HEAT RESISTANT ALLOY ARTICLE WHICH IN NORMAL USE IS EXPOSED TO ELEVAQTED TEMPERATURES OF 1200*F. AND UPWARDS AND HAS GREAT STRENGTH AND STABILITY WHEN SUBJECTED TO HIGH STRESSES AT SUCH ELEVATED TEMPERATURES, SAID ARTICLE BEING COMPOSED OF A MACHINABLE, WELDAVLE, HOT-WORKABLE ALLOY CONTAINING: 15% TO 25% CHROMIUM; 15% TO 25% NICKEL; MORE THAN 25% BUT NOT MORE THAN 45% COBALT; AT LEAST 10% BUT NOT MORE THAN 15% TUNGSTEN; AN AGGREGATE OF 0.5% TO 3% OF ONE OR MORE OF THE ELEMENTSL OF THE GROUP CONSISTING OF COLUMBIUM, TANTALUM, TITANIUM AND VANADIUM, THE AMOUNT OF ANY SINGLE ELEMENT OF THE LASTNAMED GROUP BEING LESS THAN 2% OF THE ALLOY EXCEPT THE TITANIUM CONTENT BEING NOT IN EXCESS OF 1.5%; UP TO 2% MAGNESE; UP TO 1% SILICON; UP TO 0.35% CARBON; 0.05% TO 0.25% NITROGEN; AND THE REMAINDER IRON AND INCIDENTAL IMPURITIES, THE IRON CONTENT BEING AT LEAST 5%.
Claim 2
Dependent Claim
150 words
A HEAT RESISTANT ALLOY ARTICLE WHICH IN NORMAL USE IS EXPOSED TO ELEVAQTED TEMPERATURES OF 1200*F. AND UPWARDS AND HAS GREAT STRENGTH AND STABILITY WHEN SUBJECTED TO HIGH STRESSES AT SUCH ELEVATED TEMPERATURES, SAID ARTICLE BEING COMPOSED OF A MACHINABLE, WELDAVLE, HOT-WORKABLE ALLOY CONTAINING: 15% TO 25% CHROMIUM; 15% TO 25% NICKEL; MORE THAN 25% BUT NOT MORE THAN 45% COBALT; AT LEAST 10% BUT NOT MORE THAN 15% TUNGSTEN; AN AGGREGATE OF 0.5% TO 3% OF ONE OR MORE OF THE ELEMENTSL OF THE GROUP CONSISTING OF COLUMBIUM, TANTALUM, TITANIUM AND VANADIUM, THE AMOUNT OF ANY SINGLE ELEMENT OF THE LASTNAMED GROUP BEING LESS THAN 2% OF THE ALLOY EXCEPT THE TITANIUM CONTENT BEING NOT IN EXCESS OF 1.5%; UP TO 2% MAGNESE; UP TO 1% SILICON; UP TO 0.35% CARBON; 0.05% TO 0.25% NITROGEN; AND THE REMAINDER IRON AND INCIDENTAL IMPURITIES, THE IRON CONTENT BEING AT LEAST 5%.
References Cited (Backward Citations)
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Cited
US2246078A
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US2245366A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |