US2984410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal filter, more particularly for the lubricating oil of internal combustion engines
Assignee: Fiat SpA
•
Filing: 1958-05-19
•
Granted: 1961-05-16
•
Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 Giacosa Dante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:34
CPC Classifications
F; F16; F16N; F16N39/00; F16N39/06; B; B04; B04B; B04B1/00; B04B1/02; B04B5/00; B04B5/005; F01; F01M; F01M13/00; F01M13/04; F01M2013/0422; Y; Y10; Y10S; Y10S494/00; Y10S494/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |