US2828956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Top blowing oxygen nozzle in molten metal
Assignee: Union Carbide Corp
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Filing: 1954-10-01
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Granted: 1958-04-01
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Expires: 1974-10-01
Abstract
No abstract record available.
Inventors
- 👤 Chester E Bieniosek
- 👤 Edward F Kurzinski
- 👤 Jr David H Fleming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:24
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/4606
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
APPARATUS FOT HE TOP BLOWING OF OXYGEN INTO MOLTEN METAL HAVING A NOZZLE PORTION FOR INSECTION INT A FURNACE AND A REAR BODY PORTION VOMMUNICATING THEREWITH AND ADAPTED FOR CONNECTION TO AN OXYGEN AND COOLANT SOURCE, SAID NOZZLE PORTION HAVING A UNITARY CONSTRUCTION OF HIGH THERMAL CONDUCTIVITY METAL, A CENTRAL LONGITUDINAL PASSAGEWAY FOR THE PASSAGE OF OXYGEN THERETHROUGH, A PLURALITY OF COOLANT BORING RADIALLY ARRANGED IN PAIRS AROUND SAID CENTRAL PASAGEWAY, EACH PAIR OF BRINGS LYING IN THE SAME RADIAL PLANE INCLUDING THE NOZZLE AXIS AND EXTENDING FROM THE REAR FACE OF SAID NOZLE PORTION AND CONVERTING
Claim 2
Dependent Claim
97 words
APPARATUS FOT HE TOP BLOWING OF OXYGEN INTO MOLTEN METAL HAVING A NOZZLE PORTION FOR INSECTION INT A FURNACE AND A REAR BODY PORTION VOMMUNICATING THEREWITH AND ADAPTED FOR CONNECTION TO AN OXYGEN AND COOLANT SOURCE, SAID NOZZLE PORTION HAVING A UNITARY CONSTRUCTION OF HIGH THERMAL CONDUCTIVITY METAL, A CENTRAL LONGITUDINAL PASSAGEWAY FOR THE PASSAGE OF OXYGEN THERETHROUGH, A PLURALITY OF COOLANT BORING RADIALLY ARRANGED IN PAIRS AROUND SAID CENTRAL PASAGEWAY, EACH PAIR OF BRINGS LYING IN THE SAME RADIAL PLANE INCLUDING THE NOZZLE AXIS AND EXTENDING FROM THE REAR FACE OF SAID NOZLE PORTION AND CONVERTING
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |