US2575915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel base high-temperature alloy
Assignee: General Electric Co
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Filing: 1945-05-21
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Granted: 1951-11-20
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Expires: 1965-05-21
Abstract
No abstract record available.
Inventors
- 👤 Albert G Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:57
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A CAST HEAT-RESISTANT ALLOY HAVING A HIGH RUPTURE STRENGTH AT ELEVATED TEMPERATURES IN THE AS-CAST CONDITION AND ESSENTIALL CONSISTING OF 5 TO 20% CHROMIUM, 5 TO 15% MOLYBDENUM, 4.5 TO 6% ALUMINUM, ABOUT 2% COLUMBIUM, ABOUT 0.5% BORON, AND ABOUT 0.1% CARBON, THE REMAINDER, EXCEPT FOR MINOR IMPURITIES, BEING METAL FROM THE GROUP CONSISTING OF COBALT AND NICKEL, THE COBALT CONTENT OF THE ALLOY BEING NOT GREATER THAN 20%.
Claim 2
Dependent Claim
69 words
A CAST HEAT-RESISTANT ALLOY HAVING A HIGH RUPTURE STRENGTH AT ELEVATED TEMPERATURES IN THE AS-CAST CONDITION AND ESSENTIALL CONSISTING OF 5 TO 20% CHROMIUM, 5 TO 15% MOLYBDENUM, 4.5 TO 6% ALUMINUM, ABOUT 2% COLUMBIUM, ABOUT 0.5% BORON, AND ABOUT 0.1% CARBON, THE REMAINDER, EXCEPT FOR MINOR IMPURITIES, BEING METAL FROM THE GROUP CONSISTING OF COBALT AND NICKEL, THE COBALT CONTENT OF THE ALLOY BEING NOT GREATER THAN 20%.
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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) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |