US2432618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferrous alloys for high-temperature use
Assignee: ELECTRO METALLURG CO
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Filing: 1946-05-09
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Granted: 1947-12-16
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Expires: 1966-05-09
Abstract
No abstract record available.
Inventors
- 👤 Franks Russell
- 👤 William O Binder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:59
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/52; C22C19/00; C22C19/03; C22C19/05; C22C38/54
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) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |