US2737307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism to unload blocks and the like by tilting
Assignee: Individual
•
Filing: 1952-07-23
•
Granted: 1956-03-06
•
Expires: 1972-07-23
Abstract
No abstract record available.
Inventors
- 👤 Francis J Straub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:22
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/05; B65G49/08; B65G49/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1253640A
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US1518278A
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US1556438A
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US1473996A
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US1759005A
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US1779210A
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US1887120A
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US2376457A
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US2636625A
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US2661100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |