US3399715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the continuous casting of metal
Assignee: Dortmund Hoerder Huettenunion AG
•
Filing: 1965-09-03
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Granted: 1968-09-03
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Harders Fritz
- 👤 Oeters Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:12
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/10; B22D11/11; B22D11/112; B22D23/00; B22D23/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |