US2872179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for use in making nodular cast iron
Assignee: Magnesium Elektron Ltd
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Filing: 1957-01-23
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Granted: 1959-02-03
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Expires: 1977-01-23
Abstract
No abstract record available.
Inventors
- 👤 Philip A Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:16
CPC Classifications
C; C21; C21C; C21C1/00; C21C1/10; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12222; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/12729; Y10T428/12771; Y10T428/12861; Y10T428/12951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A DEVICE FOR USE IN MAKING NODULAR CAST IRON, COMPRISING A PLONGER IN THE FORM OF A TUBE OF FERROUS METAL HAVING ITS LOWER END OPEN AND ITS UPPER END ENCLOSED, SAID TUBE CONTAINING A BRILLET OF SOLID METAL READILY VOLATILIZABLE IN MOLTEN IRON AND SUITABLE FOR TREATMENT OF IRON, THE TUBE HAVING A ROD EXTENDING THROUGH SAID CLOSED UPPER END, THE UPPER END OF SAID ROD BEING ATTACHED TO A HOLDER, THE LOWER PORTION OF SAID ROD HAVING MEANS, IGIDLY ATTACHED THERETO, EMBEDDED IN SAID BILLET OF SOLID METAL TO ANCHOR THE SAME WITHIN SAID TUBE.
Claim 2
Independent Claim
97 words
A DEVICE FOR USE IN MAKING NODULAR CAST IRON, COMPRISING A PLONGER IN THE FORM OF A TUBE OF FERROUS METAL HAVING ITS LOWER END OPEN AND ITS UPPER END ENCLOSED, SAID TUBE CONTAINING A BRILLET OF SOLID METAL READILY VOLATILIZABLE IN MOLTEN IRON AND SUITABLE FOR TREATMENT OF IRON, THE TUBE HAVING A ROD EXTENDING THROUGH SAID CLOSED UPPER END, THE UPPER END OF SAID ROD BEING ATTACHED TO A HOLDER, THE LOWER PORTION OF SAID ROD HAVING MEANS, IGIDLY ATTACHED THERETO, EMBEDDED IN SAID BILLET OF SOLID METAL TO ANCHOR THE SAME WITHIN SAID TUBE.
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) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |