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US3406847A
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US
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Automatic bin leveling system
Assignee: AJ Sackett and Sons Co
•
Filing: 1965-12-20
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Granted: 1968-10-22
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Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Sr Walter J Sackett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:26
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/04; B65G69/0408; B65G2814/00; B65G2814/02; B65G2814/0241; B65G2814/0247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US636557A
Cited
US2194144A
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US2277416A
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US2834484A
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CH340767A
Cited
US3140775A
Cited
US3145855A
Cited
US3167173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |