US2758832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring suspension for vehicles
Assignee: Hickman Developments Inc
•
Filing: 1951-02-28
•
Granted: 1956-08-14
•
Expires: 1971-02-28
Abstract
No abstract record available.
Inventors
- 👤 Albert F Hickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:29
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2417690A
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US1588245A
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US2099031A
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US2138449A
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US2180860A
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US2166822A
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US2599469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |