US2740622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring suspension for vehicles
Assignee: Hickman Ind Inc
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Filing: 1954-12-30
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Granted: 1956-04-03
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Expires: 1974-12-30
Abstract
No abstract record available.
Inventors
- 👤 Albert F Hickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:35
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/38; B60G2200/00; B60G2200/30; B60G2200/34; B60G2202/00; B60G2202/10; B60G2202/14; B60G2202/142; B60G2202/1424; B60G2204/00; B60G2204/10; B60G2204/14; B60G2204/143; B60G2204/40; B60G2204/45; B60G2204/4502; B60G2206/00; B60G2206/01; B60G2206/10; B60G2206/121; B60G2300/00; B60G2300/38
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) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |