US3438425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guiding device for ingots in secondary cooling zone in continuous casting plants
Assignee: VLADIMIR ALEXANDROVICH BUTKEVI
•
Filing: 1966-02-17
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Granted: 1969-04-15
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Expires: 1986-02-17
Abstract
No abstract record available.
Inventors
- 👤 Vladimir Alexandrovi Butkevich
- 👤 Dmitry Petrovich Evteev
- 👤 Viktor Alexandrovich Karpeka
- 👤 Viktor Sergeevich Pravdin
- 👤 Alexandr Kononovich Fisjun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:29
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/12; B22D11/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2016727A
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US2350372A
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FR903135A
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DE866275C
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GB767499A
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GB874036A
Cited
GB895913A
Cited
US3080852A
Cited
FR1359752A
Cited
US3268956A
Cited
US3283368A
Cited
US3375864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |