US2749583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous casting
Assignee: Loma Machine Manuf Co Inc
•
Filing: 1952-04-16
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Granted: 1956-06-12
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Expires: 1972-04-16
Abstract
No abstract record available.
Inventors
- 👤 Loewenstein Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:41
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN A CASTING MACHINE HAVING A STATIONARY MOLD FORMING A SUBSTANTIALLY VERTICAL CASTING PASSAGE OPEN ON TOP AND BOTTOM AND ARRANGED TO RECEIVE MOLTEN METAL OF VARYING LEVEL AND MEANS FOR INTERMITTENTLY ACTUATING WITHDRAWAL OF CASTING FROM THE BOTTOM OPENING, IN COMBINATION, MEANS FOR DELIVERING MOLTEN METAL THROUGH SAID TOP OPENING INTO SAID PASSAGE, COMPRISING A RESERVOIR STRUCTURE RECIPROCABLY DISPOSED ABOVE SAID PASSAGE AND ARRANGED TO HOLD AND TO DISCHARGE MOLTEN METAL, A TUBULAR EXTENSION PROJECTING DOWNWARDLY FROM SAID STRUCTURE AND INTERCOMMUNICATING INTERIORLY WITH SAID RESERVOIR
Claim 2
Dependent Claim
86 words
IN A CASTING MACHINE HAVING A STATIONARY MOLD FORMING A SUBSTANTIALLY VERTICAL CASTING PASSAGE OPEN ON TOP AND BOTTOM AND ARRANGED TO RECEIVE MOLTEN METAL OF VARYING LEVEL AND MEANS FOR INTERMITTENTLY ACTUATING WITHDRAWAL OF CASTING FROM THE BOTTOM OPENING, IN COMBINATION, MEANS FOR DELIVERING MOLTEN METAL THROUGH SAID TOP OPENING INTO SAID PASSAGE, COMPRISING A RESERVOIR STRUCTURE RECIPROCABLY DISPOSED ABOVE SAID PASSAGE AND ARRANGED TO HOLD AND TO DISCHARGE MOLTEN METAL, A TUBULAR EXTENSION PROJECTING DOWNWARDLY FROM SAID STRUCTURE AND INTERCOMMUNICATING INTERIORLY WITH SAID RESERVOIR
References Cited (Backward Citations)
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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) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |