Patent US2889942A successfully refreshed from Google Patents.
US2889942A
Expired / Lapsed
US
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Bin and unloading mechanism
Assignee: Individual
•
Filing: 1957-05-06
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Granted: 1959-06-09
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Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Lewis S Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:59
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/22; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |