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Patent US3415306A successfully refreshed from Google Patents.
US3415306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of continuous casting without applying tension to the strand
Assignee: Individual
•
Filing: 1965-07-23
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Granted: 1968-12-10
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Expires: 1985-07-23
Abstract
No abstract record available.
Inventors
- 👤 Olsson Erik Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:23
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/16; B22D11/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1088171A
Cited
US2740177A
Cited
US2891294A
Cited
US3045299A
Cited
GB908902A
Cited
US3290734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |