US2913788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of casting ingots
Assignee: Individual
•
Filing: 1953-05-18
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Granted: 1959-11-24
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Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
- 👤 Kramig Anna Louise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:09
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/06; B22D7/062; B22D7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE METHOD OF CASTING A METAL INGOT, WHICH METHOD COMPRISES PLACING A PLATE HAVING A THICKNESS OF FROM APPROXIMATELY 1/8 TO 1/4 OF AN INCH AND MADE OF RESINBONDED ASBESTOS FIBERS ARRANGED IN DENSELY COMPACTED RELATIONSHIP ON THE SURFACE OF A STOOL, SUPERIMPOSING AN INGOT MOLD UPON THE STOOL IN POSITION TO EMBRACE THE PLATE OVER AN AREA WHICH IS NORMALLY ENGAGEABLE BY A STREAM OF MOLTEN METAL POURED INTO THE MOLD AND THEN POURING MOLTEN METAL INTO THE MOLD SO THAT IT FALLS UPON THE PLATE, WHEREBY THE PLATE PREVENTS CRATERING OF THE STOOL AND ADHESION OF THE INGOT METAL THERETO.
Claim 2
Independent Claim
102 words
THE METHOD OF CASTING A METAL INGOT, WHICH METHOD COMPRISES PLACING A PLATE HAVING A THICKNESS OF FROM APPROXIMATELY 1/8 TO 1/4 OF AN INCH AND MADE OF RESINBONDED ASBESTOS FIBERS ARRANGED IN DENSELY COMPACTED RELATIONSHIP ON THE SURFACE OF A STOOL, SUPERIMPOSING AN INGOT MOLD UPON THE STOOL IN POSITION TO EMBRACE THE PLATE OVER AN AREA WHICH IS NORMALLY ENGAGEABLE BY A STREAM OF MOLTEN METAL POURED INTO THE MOLD AND THEN POURING MOLTEN METAL INTO THE MOLD SO THAT IT FALLS UPON THE PLATE, WHEREBY THE PLATE PREVENTS CRATERING OF THE STOOL AND ADHESION OF THE INGOT METAL THERETO.
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) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |