Patent US3232457A successfully refreshed from Google Patents.
US3232457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulk material storage structure and unloading assembly
Assignee: Behlen Manufacturing Co Inc
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Filing: 1963-06-14
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Granted: 1966-02-01
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Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas T Bernstein
- 👤 Dale L Plugge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:32
CPC Classifications
A; A01; A01F; A01F25/00; A01F25/16; A01F25/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A BULK MATERIAL STORAGE AND UNLOADING SYSTEM, THE COMBINATION OF, AN ELONGATED STORAGE STRUCTURE, SAID STORAGE STRUCTURE BEING SEMI-CIRCULAR IN CROSS-SECTION; A CUTTER ASSEMBLY MOVEABLE ALONG THE FLOOR OF SAID STORAGE STRUCTURE AND ADAPTED TO MOVE LENGTHWISE ALONG THE LONGITUDINAL AXIS OF SAID STRUCTURE; A CUTTING ARM MEANS PROVIDED ON SAID CUTTER ASSEMBLY ADAPTED TO PIVOT ABOUT THE LONGITUDINAL AXIS OF SAID STRUCTURE FROM ONE SIDE TO THE OTHER SIDE OF SAID CUTTER ASSEMBLY, SAID ARM HAVING A LENGTH SUBSTANTIALLY EQUAL TO THE RADIUS OF SAID SEMI-CIRCULAR IN CROSS-SECTION STRUCTURE;
Claim 2
Dependent Claim
91 words
IN A BULK MATERIAL STORAGE AND UNLOADING SYSTEM, THE COMBINATION OF, AN ELONGATED STORAGE STRUCTURE, SAID STORAGE STRUCTURE BEING SEMI-CIRCULAR IN CROSS-SECTION; A CUTTER ASSEMBLY MOVEABLE ALONG THE FLOOR OF SAID STORAGE STRUCTURE AND ADAPTED TO MOVE LENGTHWISE ALONG THE LONGITUDINAL AXIS OF SAID STRUCTURE; A CUTTING ARM MEANS PROVIDED ON SAID CUTTER ASSEMBLY ADAPTED TO PIVOT ABOUT THE LONGITUDINAL AXIS OF SAID STRUCTURE FROM ONE SIDE TO THE OTHER SIDE OF SAID CUTTER ASSEMBLY, SAID ARM HAVING A LENGTH SUBSTANTIALLY EQUAL TO THE RADIUS OF SAID SEMI-CIRCULAR IN CROSS-SECTION STRUCTURE;
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |