US3014643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal filter, particularly for lubrication oil of internal combustion engines
Assignee: Fiat SpA
•
Filing: 1957-06-10
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Granted: 1961-12-26
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Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Giacosa Dante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:53
CPC Classifications
F; F16; F16N; F16N39/00; F16N39/06; B; B04; B04B; B04B1/00; B04B1/02; B04B5/00; B04B5/005; Y; Y10; Y10S; Y10S494/00; Y10S494/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR607994A
Cited
FR630986A
Cited
US1887955A
Cited
US2083809A
Cited
US2645415A
Cited
US2741333A
Cited
US2865562A
Cited
US2908352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |