US2773718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor construction with integral cross-sills
Assignee: Fruehauf Trailer Corp
•
Filing: 1953-08-20
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Granted: 1956-12-11
•
Expires: 1973-08-20
Abstract
No abstract record available.
Inventors
- 👤 Charles I Bohlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:09
CPC Classifications
B; B62; B62D; B62D25/00; B62D25/20; B62D25/2054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1900711A
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US2042797A
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US1986998A
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US2056137A
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US2363170A
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US2482592A
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US2569965A
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US2621059A
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US2565709A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |