US3738827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for adding solid metal to molten metal
Assignee: Olin Corp
•
Filing: 1970-07-29
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Granted: 1973-06-12
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Expires: 1990-07-29
Abstract
Abstract THE DISCLOSURE TEACHES A METHOD FOR ADDING SOLID METAL TO MOLTEN METAL, ESPECIALLY WITHOUT DELETERIOUS REACTION WITH AIR. THE METHOD IS CHARACTERIZED BY PROVIDING THE SOLID METAL IN ROD OR WIRE FROM CLAD WITH A MATERIAL COMPATIBLE WITTH THE MOLTEN METAL AND FEEDING THE CLAD MATERIAL INTO THE MOLTEN METAL. THE DISCLOSURE TEACHES NOVEL COMPOSITES TO ACHIEVE THIS END. THE METHOD IS PARTICULARLYY USEFUL IN DEOXIDIZING MOLTEN METAL.
Inventors
- 👤 J Winter
- 👤 M Pryor
- 👤 J Crane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:05
CPC Classifications
C; C22; C22B; C22B15/00; C22B15/0026; C22B15/006; C21; C21C; C21C7/00; C21C7/0056; C22B9/00; C22B9/10; C22B9/103; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12222
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |