US2433598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loading and unloading mechanism for motor vehicles
Assignee: Individual
•
Filing: 1944-09-23
•
Granted: 1947-12-30
•
Expires: 1964-09-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert A Chadwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:29
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/54; B60P1/5404; B60P1/5423; B60P1/5428
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US965493A
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US1019268A
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US1238588A
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US1328793A
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US1391109A
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US1649574A
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US1817859A
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US1906362A
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US2168128A
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US2290738A
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US2281507A
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US2353655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |