Patent US3044495A successfully refreshed from Google Patents.
US3044495A
Expired / Lapsed
US
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Load levelling device for a pneumatic suspension, particularly for a motor vehicle
Assignee: Industrie Magneti Marelli SRL
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Filing: 1959-05-14
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Granted: 1962-07-17
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Expires: 1979-05-14
Abstract
No abstract record available.
Inventors
- 👤 Alfieri Giuseppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:08
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G17/0523; B60G17/0525; B60G2500/00; B60G2500/20; B60G2500/202; B60G2500/2022; Y; Y10; Y10S; Y10S280/00; Y10S280/01; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919; Y10T137/87056; Y10T137/87064; Y10T137/87169; Y10T137/87233
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1887606A
Cited
US2132766A
Cited
US2670201A
Cited
FR1190420A
Cited
US2964311A
Cited
US2942623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |