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Patent US2836431A successfully refreshed from Google Patents.
US2836431A
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Constant height suspension device for vehicle frame
Assignee: Automobiles Citroen SA
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Filing: 1957-02-01
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Granted: 1958-05-27
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Expires: 1977-02-01
Abstract
No abstract record available.
Inventors
- 👤 Brueder Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:32
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/033; B60G21/00; B60G21/02; B60G21/06; B60G21/073; B60G2202/00; B60G2202/40; B60G2202/41; B60G2202/416
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB748581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |