US2957701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsion suspension system for vehicles
Assignee: Individual
•
Filing: 1957-11-08
•
Granted: 1960-10-25
•
Expires: 1977-11-08
Abstract
No abstract record available.
Inventors
- 👤 Alan H Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:11
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/02; B60G21/04; B60G21/045; Y; Y10; Y10S; Y10S267/00; Y10S267/01; Y10S280/00; Y10S280/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2607611A
Cited
FR1122404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |