US3017267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nodular iron manufacture
Assignee: Ford Motor Co
•
Filing: 1959-07-28
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Granted: 1962-01-16
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Expires: 1979-07-28
Abstract
No abstract record available.
Inventors
- 👤 Lester J Bartson
- 👤 Gerald M Mcanulty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:28
CPC Classifications
C; C21; C21C; C21C1/00; C21C1/10; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE PROCESS OF IMPARTING A NODULARIZING ADDITION OF MAGNESIUM TO A CAST IRON BASE METAL COMPRISING PLACING WITHIN A LADLE A LAYER OF MAGNESIUM CONTAINING NODULARIZING MATERIAL, SUPERIMPOSING UPON THIS LAYER OF MAGNESIUM CONTAINING NOEULAROZING MATERIAL A LAYER OF SOLID FERROUS METAL AT A TEMPERATURE SUBSTANTIALLY BELOW THE TEMPERATURE OF MOLTEN CAST IRON, AND POURING MOLTEN CAST IRON BASE METAL INTO THE LADLE.
Claim 2
Dependent Claim
63 words
THE PROCESS OF IMPARTING A NODULARIZING ADDITION OF MAGNESIUM TO A CAST IRON BASE METAL COMPRISING PLACING WITHIN A LADLE A LAYER OF MAGNESIUM CONTAINING NODULARIZING MATERIAL, SUPERIMPOSING UPON THIS LAYER OF MAGNESIUM CONTAINING NOEULAROZING MATERIAL A LAYER OF SOLID FERROUS METAL AT A TEMPERATURE SUBSTANTIALLY BELOW THE TEMPERATURE OF MOLTEN CAST IRON, AND POURING MOLTEN CAST IRON BASE METAL INTO THE LADLE.
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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |