US3403898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen converter apparatus
Assignee: CF and I Steel Corp
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Filing: 1962-06-01
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Granted: 1968-10-01
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Expires: 1982-06-01
Abstract
No abstract record available.
Inventors
- 👤 Brill William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:13
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/4693
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN AN OXYGEN CONVERTER APPARATUS, A CONVERTER HAVING A DISCHARGING MOUTH AND A DISCHARGE SPOUT, THE CONVERTER BEING MOUNTED TO BE TURNED ABOUT A HORIZONTAL AXIS FROM CHARGING POSITION TO CONVERTING POSITION AND TO STEEL DISCHARGING AND SLAG DISCHARGING POSITIONS RESPECTIVELY, A FLOOR HAVING AN OPENING THEREIN IN WHICH THE CONVERTER TURNS, GROUPS OF TEETH MOUNTED IN STATIONARY POSITION AT OPPOSITE SIDES OF THE FLOOR OPENING AND PROJECTING CLOSE TO THE PATH OF THE CHARGING MOUTH, AND A HORIZONTAL SUPPORT, BELOW THE FLOOR LEVEL ON WHICH THE TEETH ARE MOUNTED, THE GROUPS OF TEETH BEING DISPOSED NEAR THE CHARGING MOUTH TO ENGAGE AND DISLODGE MATERIAL DEPOSITED ON THE CHARGING MOUTH WHEN SUCH CHARGING MOUTH IS MOVED TO THE LATTER TWO RECITED POSITIONS.
Claim 2
Dependent Claim
122 words
IN AN OXYGEN CONVERTER APPARATUS, A CONVERTER HAVING A DISCHARGING MOUTH AND A DISCHARGE SPOUT, THE CONVERTER BEING MOUNTED TO BE TURNED ABOUT A HORIZONTAL AXIS FROM CHARGING POSITION TO CONVERTING POSITION AND TO STEEL DISCHARGING AND SLAG DISCHARGING POSITIONS RESPECTIVELY, A FLOOR HAVING AN OPENING THEREIN IN WHICH THE CONVERTER TURNS, GROUPS OF TEETH MOUNTED IN STATIONARY POSITION AT OPPOSITE SIDES OF THE FLOOR OPENING AND PROJECTING CLOSE TO THE PATH OF THE CHARGING MOUTH, AND A HORIZONTAL SUPPORT, BELOW THE FLOOR LEVEL ON WHICH THE TEETH ARE MOUNTED, THE GROUPS OF TEETH BEING DISPOSED NEAR THE CHARGING MOUTH TO ENGAGE AND DISLODGE MATERIAL DEPOSITED ON THE CHARGING MOUTH WHEN SUCH CHARGING MOUTH IS MOVED TO THE LATTER TWO RECITED POSITIONS.
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) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |