US2466612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously casting hollow metal shapes
Assignee: American Smelting and Refining Co
•
Filing: 1946-07-02
•
Granted: 1949-04-05
•
Expires: 1966-07-02
Abstract
No abstract record available.
Inventors
- 👤 Albert J Phillips
- 👤 Jr John S Smart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:32
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE280717C
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US777561A
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US1503479A
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US2136394A
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US2130202A
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US2277375A
Cited
US2264288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |