US2804666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure casting piston machines
Assignee: Renault SA
•
Filing: 1953-07-28
•
Granted: 1957-09-03
•
Expires: 1973-07-28
Abstract
No abstract record available.
Inventors
- 👤 Saives Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:35
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/08; B22D17/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US969539A
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GB336129A
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GB376319A
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US1935059A
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US1941199A
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US2112342A
Cited
US2206211A
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US2183112A
Cited
US2181157A
Cited
US2564885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |