US2946100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Block graphite mold for continuous casting
Assignee: American Smelting and Refining Co
•
Filing: 1956-08-27
•
Granted: 1960-07-26
•
Expires: 1976-08-27
Abstract
No abstract record available.
Inventors
- 👤 Richard Baier
- 👤 Jr John Stuart Smart
- 👤 Albert John Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:41
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/14; B22D11/04; B22D11/041; B22D11/059; B22D11/12; B22D11/124; B22D11/1241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2698467A
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GB718644A
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US2767448A
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US2747244A
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US2744303A
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US2772455A
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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) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |