US3490758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicular suspension with prestressed single plate leaf spring
Assignee: Individual
•
Filing: 1968-01-12
•
Granted: 1970-01-20
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Expires: 1988-01-12
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:51
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/02; F16F1/18; F16F1/26; F16F1/30; B; B60; B60G; B60G2200/00; B60G2200/30; B60G2200/31; B60G2204/00; B60G2204/40; B60G2204/43; B60G2204/4306; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49609; Y10T29/49611
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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |