Patent US3406737A successfully refreshed from Google Patents.
US3406737A
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US
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Apparatus and method for continuously casting of material, especially ferrous material
Assignee: Institut de Recherches de la Siderurgie Francaise IRSID
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Filing: 1966-03-04
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Granted: 1968-10-22
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Expires: 1986-03-04
Abstract
No abstract record available.
Inventors
- 👤 Duflot Jean
- 👤 Vayssiere Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:59
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/06; B22D11/0605; B22D11/008; B22D11/0637; B22D11/0648; B22D11/0654; B22D7/00; B22D7/02
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) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |