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
2026-10-25 14:43
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.
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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) | 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 |