US2865652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizer coupling for air cushion suspension
Assignee: Youngstown Steel Car Corp
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Filing: 1957-02-14
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Granted: 1958-12-23
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Expires: 1977-02-14
Abstract
No abstract record available.
Inventors
- 👤 Franklin B Easton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:57
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/26; B60G11/27; B60G21/00; B60G21/02; B60G21/04; B60G21/05; B60G7/00; B60G9/00; B60G9/003; B60G2200/00; B60G2200/30; B60G2200/31; B60G2200/314; B60G2200/40; B60G2200/445; B60G2200/462; B60G2202/00; B60G2202/10; B60G2202/13; B60G2202/135; B60G2202/15; B60G2202/152; B60G2204/00; B60G2204/10; B60G2204/14; B60G2204/148; B60G2204/1482; B60G2204/40; B60G2204/41; B60G2204/43; B60G2204/4306; B60G2206/00; B60G2206/01; B60G2206/10; B60G2206/121; B60G2206/20; B60G2206/201; B60G2206/60; B60G2206/601
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |