Patent US3519059A successfully refreshed from Google Patents.
US3519059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of vacuum slag refining of metal in the course of continuous casting
Assignee: VIKTOR GRIGORIEVICH VOSKOBOINI
•
Filing: 1967-07-12
•
Granted: 1970-07-07
•
Expires: 1987-07-12
Abstract
No abstract record available.
Inventors
- 👤 Viktor Grigoriev Voskoboinikov
- 👤 Oleg Vyacheslavovich Kurnushko
- 👤 Vladislav Semenovich Koziakov
- 👤 Anatoly Fedorovich Kablukovsky
- 👤 Aron Yakovlevich Tseitlin
- 👤 Viktor Savelievich Rutes
- 👤 Anatoly Georgievich Shalimov
- 👤 Vladimir Andreevich Kazansky
- 👤 Jury Evgenievich Kan
- 👤 Vasily Nikolaevich Ustjuzhanin
- 👤 Anatoly Alexeevich Markin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:55
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/10; B22D11/11; B22D11/113; C; C21; C21C; C21C7/00; C21C7/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |