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Patent US2928148A successfully refreshed from Google Patents.
US2928148A
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Apparatus for casting molten metal
Assignee: ALUMINUM INTERNATIONAL Inc
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Filing: 1958-06-23
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Granted: 1960-03-15
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Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 Jack N Porterfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:56
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/06; B22D11/0637; B22D11/068; B22D11/0682
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21260E
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US1507456A
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US2048734A
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US2345352A
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US2206930A
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US2613411A
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US2521753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |