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US2694569A
Expired / Lapsed
US
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Pneumatic suspension device for vehicles
Assignee: Individual
•
Filing: 1952-12-04
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Granted: 1954-11-16
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Expires: 1972-12-04
Abstract
No abstract record available.
Inventors
- 👤 Gouirand Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:50
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/26; B60G11/27; F; F16; F16K; F16K15/00; F16K15/14; F16K15/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1130656A
Cited
US1414623A
Cited
US1621498A
Cited
US2299900A
Cited
US2567151A
Cited
GB617565A
Cited
US2488288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |