Patent US3115940A successfully refreshed from Google Patents.
US3390716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pouring spout and pouring head for the continuous casting of high melting metals, particularly steel
Assignee: Deutsche Edelstahlwerke AG
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Filing: 1965-11-12
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Granted: 1968-07-02
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Expires: 1985-11-12
Abstract
No abstract record available.
Inventors
- 👤 Alexander V Rossing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:54
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/059; B22D11/045; B22D11/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2363695A
Cited
US2369233A
Cited
GB688955A
Cited
US2837791A
Cited
DE1136796B
Cited
US2951271A
Cited
GB927172A
Cited
GB908902A
Cited
FR1290962A
Cited
FR1340276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |