US2853310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load compensating spring suspension for motor vehicles
Assignee: Individual
•
Filing: 1954-03-01
•
Granted: 1958-09-23
•
Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 William D Allison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:57
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/02; B60G21/04; B60G17/00; B60G17/02; B60G17/025; Y; Y10; Y10S; Y10S267/00; Y10S267/01; Y10S280/00; Y10S280/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1426448A
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US2360227A
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US2621057A
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US2438352A
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US2555649A
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US2490311A
Cited
US2512055A
Cited
US2607611A
Cited
US2687311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |