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Patent US3250445A successfully refreshed from Google Patents.
US3250445A
Expired / Lapsed
US
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Grain distributor with indexing and lifting rotors
Assignee: Individual
•
Filing: 1964-10-05
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Granted: 1966-05-10
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Expires: 1984-10-05
Abstract
No abstract record available.
Inventors
- 👤 William W Cochran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:18
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/52; B65G47/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3119523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |