US3406027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for regulating the thermal balance of a bath of molten material during a continuous refining process of the material
Assignee: Institut de Recherches de la Siderurgie Francaise IRSID
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Filing: 1965-11-17
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Granted: 1968-10-15
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Expires: 1985-11-17
Abstract
No abstract record available.
Inventors
- 👤 Juan Manuel Kindelan Y Bonill
- 👤 Vayssiere Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:56
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/30; C21C5/32; C21C1/00; C21C5/56; C21C5/567; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10S; Y10S75/00; Y10S75/957
Claims Analysis
Total Claims: 0
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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) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |