US3758299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromium nickel alloys and articles and parts made therefrom
Assignee: INCO ALLOY PRODUCTS Ltd
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Filing: 1971-03-10
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Granted: 1973-09-11
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Expires: 1991-03-10
Abstract
Abstract CORROSION-RESISTANT CAST ARTICLES AND PARTS MADE FROM CHROMIUM-NICKEL ALLOYS CONTAINING ONE OR MORE OF THE ELEMENTS COLUMBIUM, TITANIUM AND TANTALUM IN CAREFULLY CONTROLLED AMOUNTS TO OBTAIN IMPROVED ROOM-TEMPERATURE DUCTILITY AFTER PROLONGED SERVICE AT HIGH-TEMPERATURES AND, IN SOME CASES, IMPROVED STRENGTH.
Inventors
- 👤 P Ennis
- 👤 P Parry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:25
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/058
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 |