US2964333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure system and leveling valve for vehicle suspension
Assignee: Dunlop Rubber Co Ltd
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Filing: 1957-10-22
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Granted: 1960-12-13
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Expires: 1977-10-22
Abstract
No abstract record available.
Inventors
- 👤 Trevaskis Henry William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:09
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/056; B60G21/00; B60G21/02; B60G21/06; G; G05; G05D; G05D9/00; G05D9/04; Y; Y10; Y10S; Y10S267/00; Y10S267/01; Y10S280/00; Y10S280/01; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87177
Claims Analysis
Total Claims: 0
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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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |