US2445583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for casting metals
Assignee: Carnegie Illinois Steel Corp
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Filing: 1945-03-28
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Granted: 1948-07-20
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Expires: 1965-03-28
Abstract
No abstract record available.
Inventors
- 👤 Moroco Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:24
CPC Classifications
B; B22; B22D; B22D19/00; B22D19/0036; B23; B23F; B23F17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |