Patent US6094677A successfully refreshed from Google Patents.
US3560133A
Expired / Lapsed
US
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Grain bin unloader
Assignee: Deutz Allis Corp
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Filing: 1969-07-28
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Granted: 1971-02-02
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Expires: 1989-07-28
Abstract
Abstract A FOLDABLE AUGER PROVIDED WITH A SPIRALLY WOUND SPRINGLIKE MEMBER ATTACHED AT ONE END THEREOF TO THE CENTRAL PORTION OF AN ANGER SHAFT OF A SWINGABLE AUGER WITH THE OTHER END OF THE SPRINGLIKE MEMBER BEING SLIDABLY RECEIVED WITHIN THE HOLLOW SHAFT OF THE NONSWINGING AUGER FOR GUIDING SAID SWINGING AUGER INTO ENGAGEMENT WITH THE NONSWINGING AUGER WHEN MOVING SAME TO OPERATIVE POSITION.
Inventors
- 👤 William George Ryczek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:11
CPC Classifications
A; A01; A01D; A01D41/00; A01D41/12; A01D41/1208; A01D41/1217
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |