US2972489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle wheel suspension
Assignee: Old Carco LLC
•
Filing: 1957-06-18
•
Granted: 1961-02-21
•
Expires: 1977-06-18
Abstract
No abstract record available.
Inventors
- 👤 John E Collier
- 👤 Jr Maurice D Karlstad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:38
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/18; B60G11/181; B60G17/00; B60G17/02; B60G17/025; B60G3/00; B60G3/18; B60G3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2845279A
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US2330633A
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US2245809A
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FR980291A
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FR57254E
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US2607609A
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US2556767A
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US2596922A
Cited
US2736570A
Cited
US2852269A
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US2815084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |