Patent US2663569A successfully refreshed from Google Patents.
US2663569A
Expired / Lapsed
US
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Pneumatic suspension for vehicles
Assignee: Individual
•
Filing: 1948-05-19
•
Granted: 1953-12-22
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Expires: 1968-05-19
Abstract
No abstract record available.
Inventors
- 👤 Gouirand Renc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:26
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G11/00; B60G11/26; B60G11/27; B60G5/00; B60G5/005; B60G5/02; Y; Y10; Y10S; Y10S267/00; Y10S267/01; Y10S280/00; Y10S280/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB130159A
Cited
US1414623A
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US1555199A
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US1850942A
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US2115158A
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US2071480A
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US2070719A
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US2361575A
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US2367151A
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US2488288A
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US2492126A
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US2403833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |