Patent US2497459A successfully refreshed from Google Patents.
US2497459A
Expired / Lapsed
US
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Wheel suspension
Assignee: Individual
•
Filing: 1945-07-30
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Granted: 1950-02-14
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Expires: 1965-07-30
Abstract
No abstract record available.
Inventors
- 👤 John W Leighton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:22
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/02; B60G21/04; B60G21/05; B60G2202/00; B60G2202/10; B60G2202/11; B60G2202/114
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE329480C
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US1130157A
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GB113345A
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GB147275A
Cited
US1334700A
Cited
US1742387A
Cited
FR710953A
Cited
FR733617A
Cited
US2024362A
Cited
US2038597A
Cited
US2254261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |