Patent US2164838A successfully refreshed from Google Patents.
US2164838A
Expired / Lapsed
US
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Springing of the wheels of motor vehicles
Assignee: Dr Ing HCF Porsche AG
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Filing: 1934-02-16
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Granted: 1939-07-04
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Expires: 1954-02-16
Abstract
No abstract record available.
Inventors
- 👤 Porsche Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:31
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/18; B60G11/182; B60G11/20; B60G11/32; B60G11/48; B60G11/50; B60G17/00; B60G17/02; B60G17/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-07-03 | 1943-01-02 | 1943-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-07-03 | 1947-01-02 | 1947-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-07-03 | 1951-01-02 | 1951-07-04 | $7700.00 | Window Closed / Lapsed |