US3113019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nodular iron production
Assignee: Ford Motor Co
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Filing: 1962-04-18
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Granted: 1963-12-03
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Expires: 1982-04-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Adams
- 👤 John J Arvai
- 👤 Lester J Bartson
- 👤 Clarence A Dudzinski
- 👤 Harold C Grant
- 👤 Gerald M Mcanulty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:04
CPC Classifications
C; C21; C21C; C21C1/00; C21C1/08; C22; C22C; C22C35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE PROCESS FOR THE PRODUCTION OF UNIFORM AND MACHINEABLE NODULAR IRON CASTINGS COMPRISING PREPARING A STOCK OF MOLTEN METAL SUITABLE FOR THE PRODUCTION OF NODULAR IRON WHEN INOCULATED WITH NODULARIZING AGENTS, PLACING IN A LADLE A QUANTITY OF FERRO-SILICON AND A QUANTITY OF MAGNESIUM BEARING FERRO-SILICON, COVERING THE MAGNESIUM BEARING FERRO-SILICON AND THE FERRO-SILICON WITH A PROTECTING LAYER OF COLD METALLIC FERROUS MATERIAL, FILLING THE LADLE PARTIALLY WITH MOLTEN METAL, INITIATING FURTHER ADDITION OF FERRO-SILICON TO THE LADLE AND CONTAINUING TO ADD SUCH FERRO-SILICON AND MOLTEN METAL SIMULTANEOUSLY UNTIL THE LADLE IS FILLED.
Claim 2
Dependent Claim
93 words
THE PROCESS FOR THE PRODUCTION OF UNIFORM AND MACHINEABLE NODULAR IRON CASTINGS COMPRISING PREPARING A STOCK OF MOLTEN METAL SUITABLE FOR THE PRODUCTION OF NODULAR IRON WHEN INOCULATED WITH NODULARIZING AGENTS, PLACING IN A LADLE A QUANTITY OF FERRO-SILICON AND A QUANTITY OF MAGNESIUM BEARING FERRO-SILICON, COVERING THE MAGNESIUM BEARING FERRO-SILICON AND THE FERRO-SILICON WITH A PROTECTING LAYER OF COLD METALLIC FERROUS MATERIAL, FILLING THE LADLE PARTIALLY WITH MOLTEN METAL, INITIATING FURTHER ADDITION OF FERRO-SILICON TO THE LADLE AND CONTAINUING TO ADD SUCH FERRO-SILICON AND MOLTEN METAL SIMULTANEOUSLY UNTIL THE LADLE IS FILLED.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |