Patent US3371704A successfully refreshed from Google Patents.
US3371704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for supplying molten metal into a mould of a continuous casting machine
Assignee: ANATOLY DMITRIEVITCH KLIPOV
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Filing: 1967-02-20
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Granted: 1968-03-05
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Expires: 1987-02-20
Abstract
No abstract record available.
Inventors
- 👤 Astrov Evgeny Ivanovitch
- 👤 Klipov Anatoly Dmitrievitch
- 👤 Polushkine Nico Alexandrovitch
- 👤 Routes Victor Savelievitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:02
CPC Classifications
B; B22; B22D; B22D41/00; B22D41/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US585275A
Cited
US1160169A
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US1535245A
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US1589730A
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US1535246A
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US2225414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |