US3482621A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuous casting of steel utilizing a closed chamber between a tundish and a reciprocatable mold
Assignee: United Steel Companies Ltd
•
Filing: 1967-11-15
•
Granted: 1969-12-09
•
Expires: 1987-11-15
Abstract
No abstract record available.
Inventors
- 👤 Iain M D Halliday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:43
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/10; B22D11/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2369233A
Cited
GB688955A
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US2825104A
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US2837791A
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US2905989A
Cited
FR1160289A
Cited
GB908902A
Cited
US3050798A
Cited
GB947626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |