US2607609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring suspension for motor vehicles
Assignee: Individual
•
Filing: 1946-04-26
•
Granted: 1952-08-19
•
Expires: 1966-04-26
Abstract
No abstract record available.
Inventors
- 👤 William D Allison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:31
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/02; B60G21/04; B60G21/045; 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)
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US1641472A
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GB391727A
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US2097438A
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US2075041A
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US2133633A
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US2049904A
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US2083381A
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GB457089A
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US2194964A
Cited
US2191211A
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US2346123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |