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US2930484A
Expired / Lapsed
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Apparatus for concentrating ores
Assignee: Oreclone Concentrating Corp
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Filing: 1958-01-08
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Granted: 1960-03-29
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Expires: 1978-01-08
Abstract
No abstract record available.
Inventors
- 👤 Norman H A Rodman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:16
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
APPARATUS FOR CONCENTRATING DESIRED VALUES OF CRUSHED OR GROUND MATERIALS COMPRISING, IN COMBINATION, A RELATIVELY ELONGATED ENDLESS FLEXIBLE BELT CONVEYOR HAVING AN UPWARD INCLINATION IN THE DIRECTION OF MOVEMENT OF ITS UPPER RUN, RIFFLES EXTENDING PARTLY ACROSS THE OUTER SURFACE OF SAID CONVEYOR AT SUBSTANTIALLY UNIFORMLY SPACED INTERVALS LONGITUDINALLY THEREOF, EACH RIFFLE COMPRISING A CENTRAL SECTION EXTENDING SUBSTANTILLY LATERALLY OF THE CONVEYOR AND TERMINATING SUBSTANTIALLY SHORT OF THE SIDE EDGES THEREOF, AND AT LEAST ONE END SECTION EXTENDING FROM AND END OF THE CENTRAL SECTION IN A TRAILING DIRECTION ALONG
Claim 2
Dependent Claim
90 words
APPARATUS FOR CONCENTRATING DESIRED VALUES OF CRUSHED OR GROUND MATERIALS COMPRISING, IN COMBINATION, A RELATIVELY ELONGATED ENDLESS FLEXIBLE BELT CONVEYOR HAVING AN UPWARD INCLINATION IN THE DIRECTION OF MOVEMENT OF ITS UPPER RUN, RIFFLES EXTENDING PARTLY ACROSS THE OUTER SURFACE OF SAID CONVEYOR AT SUBSTANTIALLY UNIFORMLY SPACED INTERVALS LONGITUDINALLY THEREOF, EACH RIFFLE COMPRISING A CENTRAL SECTION EXTENDING SUBSTANTILLY LATERALLY OF THE CONVEYOR AND TERMINATING SUBSTANTIALLY SHORT OF THE SIDE EDGES THEREOF, AND AT LEAST ONE END SECTION EXTENDING FROM AND END OF THE CENTRAL SECTION IN A TRAILING DIRECTION ALONG
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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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) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |