US2670283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refining steel
Assignee: Individual
•
Filing: 1951-07-17
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Granted: 1954-02-23
•
Expires: 1971-07-17
Abstract
No abstract record available.
Inventors
- 👤 Soisson Camille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:23
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C7/00; C21C7/005; C21C7/04; C21C7/064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD OF RAPIDLY REFINING ORDINARY STEEL IN A CONVERTER FOR TRANSFORMING THE SAME INTO A HIGH QUALITY STEEL OF LOW SULFUR CONTENT WHICH COMPRISES HEATING THE MOLTEN STEEL IN THE CONVERTER BY ADDITION THERETO OF METALLIC ALUMINUM AND VIOLENTLY AGITATING THE MOLTEN STEEL WITH A BLAST OF AIR AND TERMINATING THE BLOWING WHILE THE STEEL IS IN THE REDUCING PHASE.
Claim 2
Independent Claim
61 words
THE METHOD OF RAPIDLY REFINING ORDINARY STEEL IN A CONVERTER FOR TRANSFORMING THE SAME INTO A HIGH QUALITY STEEL OF LOW SULFUR CONTENT WHICH COMPRISES HEATING THE MOLTEN STEEL IN THE CONVERTER BY ADDITION THERETO OF METALLIC ALUMINUM AND VIOLENTLY AGITATING THE MOLTEN STEEL WITH A BLAST OF AIR AND TERMINATING THE BLOWING WHILE THE STEEL IS IN THE REDUCING PHASE.
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) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |