US3676110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromium base alloys having excellent corrosion resistance and workability
Assignee: Toshiba Corp
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Filing: 1970-12-08
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Granted: 1972-07-11
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Expires: 1990-12-08
Abstract
Abstract CR-NI ALLOYS HAVING EXCELLENT WORKABILITY AND CORROSION RESISTANCE, WHICH COMPRISES 40-70% CHROMIUM, 2-7% MANGANESE, AND NICKEL AS THE REMAINDER. SAID ALLOYS MAY CONTAIN 0.5% MAX. CARBON OR 0.2% MAX. NITROGEN.
Inventors
- 👤 Satoru Mito
- 👤 Kazumi Shimotori
- 👤 Mituo Kawai
- 👤 Kanzi Kawaguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:30
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/06
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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |