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Patent US3504881A successfully refreshed from Google Patents.
US3504881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle seat suspension systems
Assignee: Individual
•
Filing: 1968-01-10
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Granted: 1970-04-07
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Expires: 1988-01-10
Abstract
No abstract record available.
Inventors
- 👤 Georges Pillons
- 👤 Denise Aspa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:55
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; B60N2/505; B60N2/506; B60N2/507; B60N2/54; B60N2/548
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2167508A
Cited
US2477187A
Cited
US2590711A
Cited
US2682295A
Cited
US2652880A
Cited
US2915306A
Cited
US3178148A
Cited
US3268200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |