US2743939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem axle wheel suspension for automotive vehicles
Assignee: Fruehauf Trailer Corp
•
Filing: 1953-02-13
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Granted: 1956-05-01
•
Expires: 1973-02-13
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Reid
- 👤 Locker Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:06
CPC Classifications
B; B62; B62D; B62D13/00; B62D13/02; B60; B60G; B60G11/00; B60G11/26; B60G11/27; B60G15/00; B60G15/08; B60G15/10; B60G5/00; B60G5/04; B60G2202/00; B60G2202/10; B60G2202/15; B60G2202/152; B60G2206/00; B60G2206/01; B60G2206/10; B60G2206/16; B60G2206/162; B60G2300/00; B60G2300/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2417690A
Cited
US1949830A
Cited
US1928860A
Cited
DE660794C
Cited
US2493024A
Cited
FR1009064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |