Patent US2334929A successfully refreshed from Google Patents.
US2334929A
Expired / Lapsed
US
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Method of separating ingots in a continuous casting process
Assignee: Alcan Research and Development Ltd
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Filing: 1942-10-07
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Granted: 1943-11-23
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Expires: 1962-10-07
Abstract
No abstract record available.
Inventors
- 👤 Hone Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:40
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/12; B22D11/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-11-22 | 1947-05-24 | 1947-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-22 | 1951-05-24 | 1951-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-22 | 1955-05-24 | 1955-11-23 | $7700.00 | Window Closed / Lapsed |