Patent US4442083A successfully refreshed from Google Patents.
Patent US3357575A successfully refreshed from Google Patents.
US3357575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silo unloading means
Assignee: Buehler AG
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Filing: 1965-08-09
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Granted: 1967-12-12
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Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Zuber Otto
- 👤 Semadeni Silvio
- 👤 Moller Per
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:23
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/44; B65D; B65D88/00; B65D88/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A SILO COMPRISING A SUBSTANTIALLY CYLINDRICAL UPPER SECTION AND A SUBSTANTIALLY RECTANGULAR LOWER DISCHARGE SECTION SPACED INWARDLY FROM SAID UPPER SECTION, SAID LOWER SECTION INCLUDING SUBSTANTIALLY STRAIGHT VERTICAL END WALLS AND SIDE WALLS HAVING A PLURALITY OF DISCHARGE OPENING THEREIN, SAID SIDE WALLS INCLUDING VERTICAL RIB FORMATIONS EXTENDING, OUTWARDLY THEREFORM AND EXTENDING UPWARDLY TO SUPPORT SAID UPPER SECTION, A SILO FLOOR HAVING A CENTRAL PEAK AND AN OBLIQUE WALL ON EACH SIDE OF SAID PEAK SLOPING DOWNWARDLY TO THE OPENINGS IN SAID SIDE WALLS, A SCRAPER ASSOCIATED WITH EACH OF SAID WALL INCLUDING A ROD MEMBER OVERLYING EACH OBLIQUE WALL WHICH IS RECIPROCABLE IN AN AXIAL DIRECTION AND A WEDGE NUMBER SECURED TO SAID ROD MEMBER BEING MOVABLE ALONG THE ASSOCIATED OBLIQUE WALL OF SAID FLOOR UPON RECIPROCATION OF SAID ROD MEMBER, MEANS TO RECIPROCATE SAID ROD MEMBER, SAID ROD MEMBER INCLUDING A CLOSURE LID THEREON ADAPTED TO MOVE, TOWARD AND AWAY FROM THE OPENING IN THE ASSOCIATED SIDE WALL, AND A PROJECTING NOSE FORMED AS AN INWARD CONTINUATION OF SAID UPPER SECTION DOWNWARDLY AND INWARDLY TO SAID SIDE WALLS HAVING SAID DISCHARGE OPENINGS.
Claim 2
Dependent Claim
184 words
A SILO COMPRISING A SUBSTANTIALLY CYLINDRICAL UPPER SECTION AND A SUBSTANTIALLY RECTANGULAR LOWER DISCHARGE SECTION SPACED INWARDLY FROM SAID UPPER SECTION, SAID LOWER SECTION INCLUDING SUBSTANTIALLY STRAIGHT VERTICAL END WALLS AND SIDE WALLS HAVING A PLURALITY OF DISCHARGE OPENING THEREIN, SAID SIDE WALLS INCLUDING VERTICAL RIB FORMATIONS EXTENDING, OUTWARDLY THEREFORM AND EXTENDING UPWARDLY TO SUPPORT SAID UPPER SECTION, A SILO FLOOR HAVING A CENTRAL PEAK AND AN OBLIQUE WALL ON EACH SIDE OF SAID PEAK SLOPING DOWNWARDLY TO THE OPENINGS IN SAID SIDE WALLS, A SCRAPER ASSOCIATED WITH EACH OF SAID WALL INCLUDING A ROD MEMBER OVERLYING EACH OBLIQUE WALL WHICH IS RECIPROCABLE IN AN AXIAL DIRECTION AND A WEDGE NUMBER SECURED TO SAID ROD MEMBER BEING MOVABLE ALONG THE ASSOCIATED OBLIQUE WALL OF SAID FLOOR UPON RECIPROCATION OF SAID ROD MEMBER, MEANS TO RECIPROCATE SAID ROD MEMBER, SAID ROD MEMBER INCLUDING A CLOSURE LID THEREON ADAPTED TO MOVE, TOWARD AND AWAY FROM THE OPENING IN THE ASSOCIATED SIDE WALL, AND A PROJECTING NOSE FORMED AS AN INWARD CONTINUATION OF SAID UPPER SECTION DOWNWARDLY AND INWARDLY TO SAID SIDE WALLS HAVING SAID DISCHARGE OPENINGS.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |