Patent JPS5584426A successfully refreshed from Google Patents.
Patent US2871530A successfully refreshed from Google Patents.
US2871530A
Expired / Lapsed
US
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Continuous casting mold, its manufacture and use
Assignee: Wieland Werke AG
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Filing: 1955-09-12
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Granted: 1959-02-03
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Expires: 1975-09-12
Abstract
No abstract record available.
Inventors
- 👤 Hans C P Wieland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:00
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/059; B22D11/049; B22D11/12; B22D11/124; B22D11/1241
Claims Analysis
Total Claims: 0
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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) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |