Patent US3108822A successfully refreshed from Google Patents.
US3108822A
Expired / Lapsed
US
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Separable equalized tandem axle wheel suspension
Assignee: Fruehauf Trailer Corp
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Filing: 1961-08-28
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Granted: 1963-10-29
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 Keith W Tantlinger
- 👤 Richard T Fujioka
- 👤 Adrian F Hulverson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:36
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/04; B60G5/047; B60G2204/00; B60G2204/10; B60G2204/17; B60G2206/00; B60G2206/01; B60G2206/011; B60G2206/0112; B60G2300/00; B60G2300/04
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |