US3206808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite-ingot casting system
Assignee: Reynolds Metals Co
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Filing: 1962-08-14
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Granted: 1965-09-21
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Expires: 1982-08-14
Abstract
No abstract record available.
Inventors
- 👤 Grover C Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:44
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/007; B22D11/04; B22D11/041; B22D7/00; B22D7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
CASTING APPARATUS FOR THE PRODUCTION OF COMPOSITE INGOTS, COMPRISING AN ANNULAR MOLD HAVING A FEED END AND AN EXIT END; A PARTITION EXTENDING AXIALLY WITHIN SAID MOLD AT SAID FEED END, HAVING A CONVEX TERMINAL PORTION, SAID PARTITION DIVIDING THE MOLD INTO A PLURITY OF CLOSELY ADJACENT COMPARTMENTS, THE TERMINAL PORTION OF SAID PARTITION INWARDLY OF THE MOLD CONFORMING APPROXIMATELY TO THE CRATER SURFACE OF THE INGOT TO BE FORMED; MEANS ADJACENT SAID FEED END FOR CONTINUOUSLY FEEDING SEPARATE STREAMS OF MOLTEN METAL TO SAID COMPARTMENTS; AND MEANS FOR CONTINUOUSLY COOLING METAL IN THE MOLD TO FORM AN INGOT.
Claim 2
Dependent Claim
99 words
CASTING APPARATUS FOR THE PRODUCTION OF COMPOSITE INGOTS, COMPRISING AN ANNULAR MOLD HAVING A FEED END AND AN EXIT END; A PARTITION EXTENDING AXIALLY WITHIN SAID MOLD AT SAID FEED END, HAVING A CONVEX TERMINAL PORTION, SAID PARTITION DIVIDING THE MOLD INTO A PLURITY OF CLOSELY ADJACENT COMPARTMENTS, THE TERMINAL PORTION OF SAID PARTITION INWARDLY OF THE MOLD CONFORMING APPROXIMATELY TO THE CRATER SURFACE OF THE INGOT TO BE FORMED; MEANS ADJACENT SAID FEED END FOR CONTINUOUSLY FEEDING SEPARATE STREAMS OF MOLTEN METAL TO SAID COMPARTMENTS; AND MEANS FOR CONTINUOUSLY COOLING METAL IN THE MOLD TO FORM AN INGOT.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |