US3205810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable hood construction for metallurgical furnace
Assignee: Inland Steel Co
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Filing: 1962-09-04
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Granted: 1965-09-14
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Expires: 1982-09-04
Abstract
No abstract record available.
Inventors
- 👤 Rosenak Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:03
CPC Classifications
B; B08; B08B; B08B15/00; B08B15/02; C; C21; C21C; C21C5/00; C21C5/28; C21C5/38; C21C5/40; Y; Y02; Y02P; Y02P10/00; Y02P10/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AN ADJUSTABLE HOOD CONSTRUCTIN ADAPTED FOR USE WITH A METALLURIGICAL FURNACE, SUCH AS AN OXYGEN STEELMAKING FURNACE, HAVING RELATIVELY LARGE MOUTH, COMPRISING AN INNER TUBULAR HOOD MEMBER HAVING ONE END OF SUBSTANTIALLY THE SAME SIZE AS THE MOUTH OF SAID FURNACE AND ANOTHER END OF LESSER SIZE, MEANS FOR POSITIONING SAID ONE END SUBSTANTIALLY IN ENGAGEMENT WITH THE MOUTH OF SAID FURNACE SO THAT SAID INNER HOOD MEMBER FORMS A CONTINUATION OF SAID FURNACE MOUTH, AN OUTER TUBULAR MEMBER OF GREATER SIZE THAN SAID INNER HOOD MEMBER AND DISPOSED AROUND TE LATTER, SAID INNER AND OUTER HOOD MEMBERS DEFINING A PASSAGE THEREBETWEEN, AND MEANS FOR SUPPORTING SAID INNER AND OUTER HOOD MEMBERS AND FOR EFFECTING RELATIVE MOVEMENT THEREBETWEEN FOR VARYING THE SIZE OF SAID PASSAGE.
Claim 2
Dependent Claim
125 words
AN ADJUSTABLE HOOD CONSTRUCTIN ADAPTED FOR USE WITH A METALLURIGICAL FURNACE, SUCH AS AN OXYGEN STEELMAKING FURNACE, HAVING RELATIVELY LARGE MOUTH, COMPRISING AN INNER TUBULAR HOOD MEMBER HAVING ONE END OF SUBSTANTIALLY THE SAME SIZE AS THE MOUTH OF SAID FURNACE AND ANOTHER END OF LESSER SIZE, MEANS FOR POSITIONING SAID ONE END SUBSTANTIALLY IN ENGAGEMENT WITH THE MOUTH OF SAID FURNACE SO THAT SAID INNER HOOD MEMBER FORMS A CONTINUATION OF SAID FURNACE MOUTH, AN OUTER TUBULAR MEMBER OF GREATER SIZE THAN SAID INNER HOOD MEMBER AND DISPOSED AROUND TE LATTER, SAID INNER AND OUTER HOOD MEMBERS DEFINING A PASSAGE THEREBETWEEN, AND MEANS FOR SUPPORTING SAID INNER AND OUTER HOOD MEMBERS AND FOR EFFECTING RELATIVE MOVEMENT THEREBETWEEN FOR VARYING THE SIZE OF SAID PASSAGE.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |