Patent US2859498A successfully refreshed from Google Patents.
US2859498A
Expired / Lapsed
US
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Automatic method and apparatus for making castings
Assignee: Individual
•
Filing: 1954-08-13
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Granted: 1958-11-11
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Expires: 1974-08-13
Abstract
No abstract record available.
Inventors
- 👤 William G Reichert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:05
CPC Classifications
B; B22; B22D; B22D47/00; B22D47/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2588669A
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US938904A
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US1011735A
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US2651087A
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US2570927A
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US2600206A
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US2612668A
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US2638645A
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US2752646A
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US2680270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |