US2745733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and process for reduction of ores to metal
Assignee: Ford Motor Co
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Filing: 1952-10-24
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Granted: 1956-05-15
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Expires: 1972-10-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Oster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:41
CPC Classifications
C; C22; C22B; C22B5/00; C21; C21B; C21B11/00; C21B11/08; C22B5/02; C22B5/12; Y; Y02; Y02P; Y02P10/00; Y02P10/10; Y02P10/134
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN AN APPARATUS FOR THE REDUCTION OF METAL FROM LEAN ORES, TWO CYCLONE BURNERS ARRANGED WITH THE FIRST CYCLONE BURNER AT A HIGHER ELEVATION THAN THE SECOND CYCLONE BURNER MEANS FOR CONDUCTING THE HOT GASEOUS EFFUENT FROM THE SECOND CYCLONE BURNER TO THE FIRST CYCLONE BURNER, MEANS FOR TRANSFERRING BY GRAVITY MOLTEN ORE FROM THE FIRST CYCLONE BURNER TO THE SECOND CYCLONE BURNER, MEANS FOR FEEDING CRUSHED ORE TO THE FIRST CYCLONE BURNER, MEANS FOR FEEDING FUEL TO THE SECOND CYCLONE BURNER AND MEANS FOR TAPPING FROM THE SECOND CYCLONE BURNER METAL AND SLAG.
Claim 2
Dependent Claim
94 words
IN AN APPARATUS FOR THE REDUCTION OF METAL FROM LEAN ORES, TWO CYCLONE BURNERS ARRANGED WITH THE FIRST CYCLONE BURNER AT A HIGHER ELEVATION THAN THE SECOND CYCLONE BURNER MEANS FOR CONDUCTING THE HOT GASEOUS EFFUENT FROM THE SECOND CYCLONE BURNER TO THE FIRST CYCLONE BURNER, MEANS FOR TRANSFERRING BY GRAVITY MOLTEN ORE FROM THE FIRST CYCLONE BURNER TO THE SECOND CYCLONE BURNER, MEANS FOR FEEDING CRUSHED ORE TO THE FIRST CYCLONE BURNER, MEANS FOR FEEDING FUEL TO THE SECOND CYCLONE BURNER AND MEANS FOR TAPPING FROM THE SECOND CYCLONE BURNER METAL AND SLAG.
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) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |