US3344965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pouring nozzle for molten steel ladle
Assignee: Individual
•
Filing: 1965-10-18
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Granted: 1967-10-03
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Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Kerin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:53
CPC Classifications
B; B22; B22D; B22D41/00; B22D41/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A NOZZLE FOR A STEEL LADLE COMPRISING: (A) A CASING OPEN AT BOTH ENDS, (B) A CORE REMOVABLY POSITIONED IN SAID CASING, (C) SAID CORE HAVING AN OUTLET HOLE EXTENDING LONGITUDINALLY AND INTERNALLY THROUGHOUT THE LENGTH THEREOF, (D) SAID CORE HAVING A CYLINDRICAL OPENING EXTENDING THERETHROUGH INTERSECTING AND NORMAL TO SAID OUTLET HOLE, (E) A CYLINDRICAL VALVE MEMBER MOUNTED FOR ROTATION IN SAID CYLINDRICAL OPENING, (F) SAID VALVE MEMBER HAVING KEY MEANS FORMED ON EACH END THEREOF, (G) SAID VALVE MEMBER HAVING A PASSAGEWAY EXTENDING THERETHROUGH NORMAL TO THE LONGITUDINAL AXIS THEREOF FOR ALIGNMENT WITHIN SAID OUTLET HOLE OF SAID CORE, (H) MEANS MOUNTED ON SAID CASING AND ENGAGING SAID KEY MEANS OF SAID VALVE MEMBER FOR ROTATING SAID
Claim 2
Dependent Claim
119 words
A NOZZLE FOR A STEEL LADLE COMPRISING: (A) A CASING OPEN AT BOTH ENDS, (B) A CORE REMOVABLY POSITIONED IN SAID CASING, (C) SAID CORE HAVING AN OUTLET HOLE EXTENDING LONGITUDINALLY AND INTERNALLY THROUGHOUT THE LENGTH THEREOF, (D) SAID CORE HAVING A CYLINDRICAL OPENING EXTENDING THERETHROUGH INTERSECTING AND NORMAL TO SAID OUTLET HOLE, (E) A CYLINDRICAL VALVE MEMBER MOUNTED FOR ROTATION IN SAID CYLINDRICAL OPENING, (F) SAID VALVE MEMBER HAVING KEY MEANS FORMED ON EACH END THEREOF, (G) SAID VALVE MEMBER HAVING A PASSAGEWAY EXTENDING THERETHROUGH NORMAL TO THE LONGITUDINAL AXIS THEREOF FOR ALIGNMENT WITHIN SAID OUTLET HOLE OF SAID CORE, (H) MEANS MOUNTED ON SAID CASING AND ENGAGING SAID KEY MEANS OF SAID VALVE MEMBER FOR ROTATING SAID
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |