US2668629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling and unloading device for vehicles
Assignee: Individual
•
Filing: 1951-01-02
•
Granted: 1954-02-09
•
Expires: 1971-01-02
Abstract
No abstract record available.
Inventors
- 👤 Eben D Dahlman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:28
CPC Classifications
A; A01; A01D; A01D90/00; A01D90/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2520291A
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US2563158A
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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) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |