Patent DE443218C successfully refreshed from Google Patents.
Patent US3426836A successfully refreshed from Google Patents.
US3426836A
Expired / Lapsed
US
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Machine for the continuous casting of slabs between bands
Assignee: Rio Tinto Switzerland AG
•
Filing: 1965-12-13
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Granted: 1969-02-11
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Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 Dietrich Altenpohl
- 👤 Ivan Gyongyos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:55
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/06; B22D11/0637; B22D11/0677
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1872691A
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GB759301A
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US2852821A
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US2904860A
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US3228072A
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US3041686A
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US3110941A
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US3163896A
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US3324937A
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US3283368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |