Patent US3057522A successfully refreshed from Google Patents.
US3057522A
Expired / Lapsed
US
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Variable feed auger for delivery from storage bins
Assignee: Individual
•
Filing: 1960-03-28
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Granted: 1962-10-09
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Expires: 1980-03-28
Abstract
No abstract record available.
Inventors
- 👤 Reed Theron John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:16
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/24; B65G33/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1954703A
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US2292934A
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US2569039A
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US2556392A
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US2601049A
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US2687268A
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US2934224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |