Patent US3289862A successfully refreshed from Google Patents.
US3289862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silo unloader
Assignee: Individual
•
Filing: 1965-02-10
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Granted: 1966-12-06
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Expires: 1985-02-10
Abstract
No abstract record available.
Inventors
- 👤 Richard L Weaver
- 👤 Benjamin K Smoker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:46
CPC Classifications
A; A01; A01F; A01F25/00; A01F25/16; A01F25/20; A01F25/2018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A SILO UNLOADER FOR A SILO HAVING AN UPRIGHT WALL AND A BOTTOM FLOOR WITH AN OPENING COMPRISING, FOR BOTTOM UNLOADING OF THE SILO, AND AUGER MEANS INCLUDING AN INNER PORTION EXTENDING ACROSS SAID OPENING IN A SUBSTANTIALLY UNOBSTRUCTED FLOW PATH OF THE SILAGE THEREABOVE AND AN OUTER PORTION EXTENDING TOWARD SAID WALL, ROTATING MEANS FOR ROTATING SAID AUGER MEANS ABOUT ITS OWN AXIS, ADVANCING MEANS FOR ADVANCING SAID AUGER MEANS IN A PATH AROUND SAID BOTTOM FLOOR TO FEED SILAGE TO SAID OPENING, SAID INNER PORTION OF SAID AUGER MEANS BEING MOVED BY SAID ADVANCING MEANS OVER SAID OPENING IN A PATH WHICH SUBSTANTIALLY COMPLETELY ENCOMPASSES THE ENTIRE OPENING WHILE MAINTAINING THE INNER PORTION IN A SUBSTANTIALLY UNOBSTRUCTED FLOW PATH OF THE SILAGE THEREABOVE TO ENABLE THE MOVEMENT OF THE SILAGE BY SAID INNER PORTION INTO SAID OPENING, SAID INNER PORTION EXTENDING ACROSS SAID OPENING AT LEAST BEYOND THE VERTICAL AXIS ABOUT WHICH THE AUGER MEANS IS ADVANCED TO INSURE THE REMOVAL OF SILAGE.
Claim 2
Dependent Claim
165 words
A SILO UNLOADER FOR A SILO HAVING AN UPRIGHT WALL AND A BOTTOM FLOOR WITH AN OPENING COMPRISING, FOR BOTTOM UNLOADING OF THE SILO, AND AUGER MEANS INCLUDING AN INNER PORTION EXTENDING ACROSS SAID OPENING IN A SUBSTANTIALLY UNOBSTRUCTED FLOW PATH OF THE SILAGE THEREABOVE AND AN OUTER PORTION EXTENDING TOWARD SAID WALL, ROTATING MEANS FOR ROTATING SAID AUGER MEANS ABOUT ITS OWN AXIS, ADVANCING MEANS FOR ADVANCING SAID AUGER MEANS IN A PATH AROUND SAID BOTTOM FLOOR TO FEED SILAGE TO SAID OPENING, SAID INNER PORTION OF SAID AUGER MEANS BEING MOVED BY SAID ADVANCING MEANS OVER SAID OPENING IN A PATH WHICH SUBSTANTIALLY COMPLETELY ENCOMPASSES THE ENTIRE OPENING WHILE MAINTAINING THE INNER PORTION IN A SUBSTANTIALLY UNOBSTRUCTED FLOW PATH OF THE SILAGE THEREABOVE TO ENABLE THE MOVEMENT OF THE SILAGE BY SAID INNER PORTION INTO SAID OPENING, SAID INNER PORTION EXTENDING ACROSS SAID OPENING AT LEAST BEYOND THE VERTICAL AXIS ABOUT WHICH THE AUGER MEANS IS ADVANCED TO INSURE THE REMOVAL OF SILAGE.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |