US3118608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel gas and oxygen injection lance employing webbed coolant deflectors
Assignee: Individual
•
Filing: 1962-02-15
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Granted: 1964-01-21
•
Expires: 1982-02-15
Abstract
No abstract record available.
Inventors
- 👤 Walter V Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:50
CPC Classifications
F; F27; F27D; F27D99/00; F27D99/0001; F27D99/0033; C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/4606; F27B; F27B3/00; F27B3/10; F27B3/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A NOZZLE FOR USE IN AN OPEN HEARTH FURNACE COMPRISING: A BULLOUS END SHELL HAVING OUTWARDLY SLOPING SIDES TOWARD AN END THEREOF AND A GERNERALLY SPHERICAL END FACE, A PLURALITY OF CIRICUMFERENTIALLY SPACED CONDUITS DIVERGING OUTWARDLY TOWARD AND THROUGH SAID END FACE AND SPACED FROM THE SIDES OF SAID SHELL, COOLANT RETURN MEANS BETWEEN SAID SHELL AND SAID CONDUITS, SAID SHELL HAVING THEREIN A CENTRALLY LOCATED PASSAGEWAY FOR COOLANT EXTENDING TO SAID END FACE, AND RESTRICTED COOLANT PASSAGEWAYS BETWEEN ADJACENT PAIRS OF SAID CONDUITS AND CONTIGUOUS WITH AN INNER FACE OF SAID SHELL FOR INTERCONNECTING SAID CENTRALLY LOCATED PASSAGEWAY AND SAID COOLANT RETURN MEANS BETWEEN SAID CONDUITS AND THE SIDES OF SAID SHELL.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |