US3660544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing sized ferroalloy particles
Assignee: Elkem Metals Co LP
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Filing: 1970-04-15
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Granted: 1972-05-02
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Expires: 1990-04-15
Abstract
Abstract A PROCESS FOR DISINTERGRATING A STREAM OF MOLTEN FERROALLOY INTO SOLIDIFIED SPHEROIDAL TO SPHERICAL CONFIGURATIONS FOR USE AS ADDITIVES IN METAL PRODUCING FURNACE OPERATIONS OR THE LIKE.
Inventors
- 👤 Claude Frank Young
- 👤 Charles Martin Offenhauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:56
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |