Patent US3464734A successfully refreshed from Google Patents.
US3464734A
Expired / Lapsed
US
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Semi-trailer door and corner post construction
Assignee: Fruehauf Corp
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Filing: 1966-08-19
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Granted: 1969-09-02
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Expires: 1986-08-19
Abstract
No abstract record available.
Inventors
- 👤 George Chieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:45
CPC Classifications
B; B60; B60J; B60J5/00; B60J5/10; B60J5/108; B62; B62D; B62D53/00; B62D53/04; B62D53/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US353037A
Cited
US1387059A
Cited
US2567652A
Cited
US3070400A
Cited
GB899180A
Cited
US2991116A
Cited
US3000666A
Cited
US3210118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |