Patent US3237768A successfully refreshed from Google Patents.
US3237768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen structure for comminuting apparatus
Assignee: SECO Inc
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Filing: 1963-03-20
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Granted: 1966-03-01
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Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward T Koch
- 👤 James R Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:16
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/48; B03B5/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
AN APPARATUS FOR CLASSIFYING COMMINUTED MATERIAL, COMPRISING: (A) A HOUSING FOR RECEIVING SAID MATERIAL HAVING FIRST AND SECOND OPPOSED END WALLS, (B) SAID END WALLS HAVING BOTTOM EDGES COMPRISING LONGITUDINALLY ALIGNED ARCUATE SEATS DEFINING A DISCHARGE OPENING THEREBETWEEN, (C) A FIRST ELONGATED CRADLE HAVING AN ARCUATE CROSS SECTION STATIONARILY MOUNTED ADJACENT THE OUTSIDE OF SAID FIRST END WALL, AND LONGITUDINALLY ALIGNED, BUT SPACED SLIGHTLY BELOW SAID ARCUATE SEATS, (D) A SECOND ELONGATED CRADLE STATIONARILY MOUNTED ADJACENT THE OUTSIDE OF SAID SECOND END WALL, SAID SECOND CRADLE BEING LONGITUUDINALLY ALIGNED WITH AND HAVING THE SAME ARCUATE CROSS SECTION AS SAID FIRST CRADLE (E) AN INTERMEDIATE CRADLE HAVING THE SAME ARCUATE CROSS SECTION AS SAID FIRST AND SECOND CRADLES, AND MOUNTED LONGITUDINALLY BETWEEN SAID FIRST AND SECOND CRADLES AND BENEATH SAID DISCHARGE OPENING, (F) A UNITARY SCREEN STRUCTURE LONGER THAN SAID INTERMEDIATE CRADLE, AND HAVING THE SAME ARCUATE CROSS SECTION AS SAID ARCUATE SEATS AND SAID INTERMEDIATE CRADLE,
Claim 2
Independent Claim
156 words
AN APPARATUS FOR CLASSIFYING COMMINUTED MATERIAL, COMPRISING: (A) A HOUSING FOR RECEIVING SAID MATERIAL HAVING FIRST AND SECOND OPPOSED END WALLS, (B) SAID END WALLS HAVING BOTTOM EDGES COMPRISING LONGITUDINALLY ALIGNED ARCUATE SEATS DEFINING A DISCHARGE OPENING THEREBETWEEN, (C) A FIRST ELONGATED CRADLE HAVING AN ARCUATE CROSS SECTION STATIONARILY MOUNTED ADJACENT THE OUTSIDE OF SAID FIRST END WALL, AND LONGITUDINALLY ALIGNED, BUT SPACED SLIGHTLY BELOW SAID ARCUATE SEATS, (D) A SECOND ELONGATED CRADLE STATIONARILY MOUNTED ADJACENT THE OUTSIDE OF SAID SECOND END WALL, SAID SECOND CRADLE BEING LONGITUUDINALLY ALIGNED WITH AND HAVING THE SAME ARCUATE CROSS SECTION AS SAID FIRST CRADLE (E) AN INTERMEDIATE CRADLE HAVING THE SAME ARCUATE CROSS SECTION AS SAID FIRST AND SECOND CRADLES, AND MOUNTED LONGITUDINALLY BETWEEN SAID FIRST AND SECOND CRADLES AND BENEATH SAID DISCHARGE OPENING, (F) A UNITARY SCREEN STRUCTURE LONGER THAN SAID INTERMEDIATE CRADLE, AND HAVING THE SAME ARCUATE CROSS SECTION AS SAID ARCUATE SEATS AND SAID INTERMEDIATE CRADLE,
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |