US2950103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsion spring device on vehicles
Assignee: Individual
•
Filing: 1956-10-30
•
Granted: 1960-08-23
•
Expires: 1976-10-30
Abstract
No abstract record available.
Inventors
- 👤 Ruf Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:04
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/02; F16F1/14; B; B60; B60G; B60G11/00; B60G11/18; B60G11/183; B60G11/184; B60G11/187; B60G11/32; B60G11/48; B60G11/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2103590A
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US2175562A
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US2257571A
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US2712742A
Cited
US2729442A
Cited
US2861796A
Cited
US2786670A
Cited
US2811347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |