Patent US2570193A successfully refreshed from Google Patents.
US2570193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-temperature alloys and articles
Assignee: Huntington Alloys Corp
•
Filing: 1946-04-09
•
Granted: 1951-10-09
•
Expires: 1966-04-09
Abstract
No abstract record available.
Inventors
- 👤 Bieber Clarence George
- 👤 Sumpter Walter Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:31
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN ARTICLE SUBJECTED IN USE TO STRESS AT ELEVATED TEMPERATURES MADE OF AN AGE HARDENED ALLOY CONTAINING 10% TO 25% CHROMIUM, 0.2% TO 1.5% ALUMINUM, 1.5% TO 3% TITANIUM, UP TO 0.25% CARBON, 0.1% TO 3% COLUMBIUM WITH THE COLUMBIUM CONTENT BEING AT LEAST TEN TIMES THE CARBON CONTENT, A SMALL BUT EFFECTIVE AMOUNT UP TO 0.2% ZIRCONIUM, 0.1% TO 20% IRON, 0.05% TO 0.8% SILICON, AND THE BALANCE ESSENTIALLY NICKEL, THE SUM OF THE ALUMINUM, TITANIUM AND SILICON CONTENTS BEING 2% TO 4.5% OF THE ALLOY.
Claim 2
Dependent Claim
87 words
AN ARTICLE SUBJECTED IN USE TO STRESS AT ELEVATED TEMPERATURES MADE OF AN AGE HARDENED ALLOY CONTAINING 10% TO 25% CHROMIUM, 0.2% TO 1.5% ALUMINUM, 1.5% TO 3% TITANIUM, UP TO 0.25% CARBON, 0.1% TO 3% COLUMBIUM WITH THE COLUMBIUM CONTENT BEING AT LEAST TEN TIMES THE CARBON CONTENT, A SMALL BUT EFFECTIVE AMOUNT UP TO 0.2% ZIRCONIUM, 0.1% TO 20% IRON, 0.05% TO 0.8% SILICON, AND THE BALANCE ESSENTIALLY NICKEL, THE SUM OF THE ALUMINUM, TITANIUM AND SILICON CONTENTS BEING 2% TO 4.5% OF THE ALLOY.
References Cited (Backward Citations)
US1674959A
Cited
US1920432A
Cited
GB371334A
Cited
US1924245A
Cited
US2048647A
Cited
US1910309A
Cited
US2018520A
Cited
US2044165A
Cited
US2048167A
Cited
US2246078A
Cited
GB510154A
Cited
GB540795A
Cited
US2398678A
Cited
US2423738A
Cited
GB572779A
Cited
US2373490A
Cited
US2397034A
Cited
US2469718A
Cited
US2481976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |