Patent US2567525A successfully refreshed from Google Patents.
US2567525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for casting metals
Assignee: Republic Steel Corp
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Filing: 1945-11-02
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Granted: 1951-09-11
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Expires: 1965-11-02
Abstract
No abstract record available.
Inventors
- 👤 Morgan J R Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:22
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/06; B22D7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
METAL CASTING APPARTUS COMPRISING A REFRACTORY RESERVOIR FOR MOLTEN METAL AT THE UPPER END OF AN INGOT MOLD, SAID RESERVOIR HAVING A BOTTOM SURFACE TO REST ON THE TOP OF AN INGOT MOLD AND HAVING A PASSAGE THERETHRU FOR MOLTEN METAL DEFINED BY AN UPPER CYLINDRICAL SURFACE AND A LOWER, FRUSTRO-CONICAL SURFACE EXTENDING
Claim 2
Dependent Claim
53 words
METAL CASTING APPARTUS COMPRISING A REFRACTORY RESERVOIR FOR MOLTEN METAL AT THE UPPER END OF AN INGOT MOLD, SAID RESERVOIR HAVING A BOTTOM SURFACE TO REST ON THE TOP OF AN INGOT MOLD AND HAVING A PASSAGE THERETHRU FOR MOLTEN METAL DEFINED BY AN UPPER CYLINDRICAL SURFACE AND A LOWER, FRUSTRO-CONICAL SURFACE EXTENDING
References Cited (Backward Citations)
US2183576A
Cited
US1144034A
Cited
US1286395A
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FR573977A
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US1694792A
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US1687656A
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US1812172A
Cited
US1739222A
Cited
AU2451030A
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US1789883A
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US1933530A
Cited
US2281718A
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US2229507A
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US2263437A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |