US2767448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous casting mold
Assignee: Babcock and Wilcox Co
•
Filing: 1952-06-27
•
Granted: 1956-10-23
•
Expires: 1972-06-27
Abstract
No abstract record available.
Inventors
- 👤 Harter Isaac
- 👤 Jr Isaac Harter
- 👤 Temple W Ratcliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:22
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US550089A
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US894410A
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US1895135A
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US1936280A
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US2079644A
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US2187720A
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FR906415A
Cited
US2424640A
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US2479191A
Cited
US2590311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |