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Patent US3457985A successfully refreshed from Google Patents.
US3457985A
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Continuous casting apparatus with means automatically controlling the holding vessel discharge
Assignee: United States Steel Corp
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Filing: 1966-12-16
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Granted: 1969-07-29
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Expires: 1986-12-16
Abstract
No abstract record available.
Inventors
- 👤 James H Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:04
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/16; B22D11/18; B22D11/181; B22D11/186; G; G05; G05D; G05D9/00; G05D9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE25892E
Cited
US2381505A
Cited
GB732115A
Cited
US2905989A
Cited
US3133726A
Cited
GB965167A
Cited
US3300820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |