US2769218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous casting mold
Assignee: Babcock and Wilcox Co
•
Filing: 1951-10-25
•
Granted: 1956-11-06
•
Expires: 1971-10-25
Abstract
No abstract record available.
Inventors
- 👤 Harter Isaac
- 👤 Jr Isaac Harter
- 👤 Temple W Ratcliffe
- 👤 Jr Frank W Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:36
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |