US3758295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel chromium iron alloys
Assignee: Huntington Alloys Corp
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Filing: 1971-01-20
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Granted: 1973-09-11
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Expires: 1991-01-20
Abstract
Abstract NICKEL-CHROMIUM-IRON ALLOYS OF SPECIAL COMPOSITION AND CONTAINING CARBON, MOLYBDENUM, TITANIUM, ALUMINUM, BORON, ETC., ARE PARTICULARLY SUITABLE FOR WROUGHT ROTOR DISCS FOR GAS TURBINE ENGINES AND FOR OTHER ARTICLES AND PARTS THAT ARE SUBJECTED IN USE TO HIGH STRESS AT TEMPERATURES UP TO ABOUT 700*C., E.G., 550*C. TO 700*C.
Inventors
- 👤 M Morley
- 👤 A Knott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:44
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |