Patent US2745201A successfully refreshed from Google Patents.
US2745201A
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US
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Assignee: IND SILPA Ltda Soc
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Filing: 1952-07-16
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Granted: 1956-05-15
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Expires: 1972-07-16
Abstract
No abstract record available.
Inventors
- 👤 Giuseppe Savio
- 👤 Jose V Viviani
- 👤 Silva Celso Madueno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:09
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/02; G09F7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE178270C
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US618019A
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GB191214565A
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US1067177A
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FR485633A
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FR530370A
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US1779190A
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US1887591A
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US2283908A
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US2624143A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |