US2804663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for continuous casting
Assignee: Babcock and Wilcox Co
•
Filing: 1953-06-26
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Granted: 1957-09-03
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Expires: 1973-06-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Isaac Harter
- 👤 Temple W Ratcliffe
- 👤 Robert R Mcclain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:16
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/16; B22D11/18; B22D11/181; B22D11/182; B22D11/20; B22D11/201; B22D11/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE499837A
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US798834A
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US1503479A
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US1472286A
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US2246907A
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GB598385A
Cited
US2568525A
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US2682691A
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US2586713A
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US2709284A
Cited
US2753605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |