Patent US2586298A successfully refreshed from Google Patents.
US2586298A
Expired / Lapsed
US
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Distributing device for the charge of shaft furnaces
Assignee: Compagnie des Forges et Acieries de la Marine et dHomecourt
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Filing: 1948-07-15
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Granted: 1952-02-19
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Expires: 1968-07-15
Abstract
No abstract record available.
Inventors
- 👤 Max A Brun
- 👤 Leon F Sauvage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:33
CPC Classifications
C; C21; C21B; C21B7/00; C21B7/18
Claims Analysis
Total Claims: 0
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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) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |