Patent US2676368A successfully refreshed from Google Patents.
US2676368A
Expired / Lapsed
US
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Casting machine
Assignee: Motors Liquidation Co
•
Filing: 1950-01-14
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Granted: 1954-04-27
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Expires: 1970-01-14
Abstract
No abstract record available.
Inventors
- 👤 Peter J Heiden
- 👤 Herman J Staggenburg
- 👤 Clarence E Tice
- 👤 Edgar G Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:34
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1725984A
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US1493469A
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US1752308A
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US1746236A
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US1925496A
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US1856352A
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US1925497A
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US1913945A
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US2348173A
Cited
US2474963A
Cited
US2459892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |