US2950690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freight handling system
Assignee: Flexi Van Inc
•
Filing: 1957-07-11
•
Granted: 1960-08-30
•
Expires: 1977-07-11
Abstract
No abstract record available.
Inventors
- 👤 Charles I Bohlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:53
CPC Classifications
B; B61; B61D; B61D47/00; B61D47/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA528037A
Cited
US1657076A
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US1797601A
Cited
US1860746A
Cited
US1883538A
Cited
US2058891A
Cited
US2285207A
Cited
US2650731A
Cited
US2538531A
Cited
US2808289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |