Patent US2662008A successfully refreshed from Google Patents.
US2662008A
Expired / Lapsed
US
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Device for progressively releasing a reagent in a bath of molten metal
Assignee: United States Steel Corp
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Filing: 1950-08-17
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Granted: 1953-12-08
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Expires: 1970-08-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph K Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:49
CPC Classifications
C; C21; C21C; C21C7/00; C21C7/04; C21C7/076; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12222; Y10T428/12229; Y10T428/12271; Y10T428/12285; Y10T428/12389
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A DEVICE FOR GRADUALLY RELEASING A REAGENT IN A BATH OF MOLTEN COMPRISING AN ELONGATED METAL CAPSULE HAVING A LENGTH SEVERAL TIMES ITS DIAMETER AND AN AXIAL BORE OF A UNIFORM DIAMETER AND A LENGTH SEVERAL TIMES ITS DIAMETER, SAID BORE EXTENDING INWARDLY FROM ONE END OF THE CAPSULE AND TERMINATING SHORT OF THE OTHER END, THE WALL OF THE CAPSULE INCREASING IN THICKNESS FROM SAID ONE END TOWARD THE OTHER END, AND A CHARGE OF REAGENT IN SAID BORE.
Claim 2
Independent Claim
80 words
A DEVICE FOR GRADUALLY RELEASING A REAGENT IN A BATH OF MOLTEN COMPRISING AN ELONGATED METAL CAPSULE HAVING A LENGTH SEVERAL TIMES ITS DIAMETER AND AN AXIAL BORE OF A UNIFORM DIAMETER AND A LENGTH SEVERAL TIMES ITS DIAMETER, SAID BORE EXTENDING INWARDLY FROM ONE END OF THE CAPSULE AND TERMINATING SHORT OF THE OTHER END, THE WALL OF THE CAPSULE INCREASING IN THICKNESS FROM SAID ONE END TOWARD THE OTHER END, AND A CHARGE OF REAGENT IN SAID BORE.
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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) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |