Patent US3227293A successfully refreshed from Google Patents.
US3227293A
Expired / Lapsed
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Silo unloader
Assignee: Butler Manufacturing Co
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Filing: 1963-08-14
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Granted: 1966-01-04
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Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Harlow R Poutsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:42
CPC Classifications
A; A01; A01F; A01F25/00; A01F25/16; A01F25/20; A01F25/2009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A SILO UNLOADER COMPRISING: (A) GATHERING MEANS FOR BRINGING SILAGE TO THE CENTER OF A SILO ON A SUBSTANTIALLY HORIZONTAL PATH, (B) IMPELLER MEANS AT THE CENTER OF THE SILO COMPRSING (I) A SERIES OF SILAGE IMPELLING HLADES MOUNTED FOR ROTATION ON A SUBSTANTIALLY HORIZONTAL SHAFT HAVING ITS AXIS SPACED LATERALLY ABOVE THE PATH OF SILAGE BROUGHT IN BY THE GATHERING MEANS, (II) A CASING ABOUT SAID BLADES AND HAVING AN OPENING TO ADMIT SILAGE THEREINTO AND THROUGH WHICH SAID SHAFT EXTENDS, SAID OPENING BEING LATERALLY EXTENDED TOWARD THE PATH OF SILAGE BROUGHT IN BY THE GATHERING MEANS TO ADMIT SILAGE INTO THE CASING NEAR ITS PERIPHERY,
Claim 2
Dependent Claim
107 words
A SILO UNLOADER COMPRISING: (A) GATHERING MEANS FOR BRINGING SILAGE TO THE CENTER OF A SILO ON A SUBSTANTIALLY HORIZONTAL PATH, (B) IMPELLER MEANS AT THE CENTER OF THE SILO COMPRSING (I) A SERIES OF SILAGE IMPELLING HLADES MOUNTED FOR ROTATION ON A SUBSTANTIALLY HORIZONTAL SHAFT HAVING ITS AXIS SPACED LATERALLY ABOVE THE PATH OF SILAGE BROUGHT IN BY THE GATHERING MEANS, (II) A CASING ABOUT SAID BLADES AND HAVING AN OPENING TO ADMIT SILAGE THEREINTO AND THROUGH WHICH SAID SHAFT EXTENDS, SAID OPENING BEING LATERALLY EXTENDED TOWARD THE PATH OF SILAGE BROUGHT IN BY THE GATHERING MEANS TO ADMIT SILAGE INTO THE CASING NEAR ITS PERIPHERY,
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |