US2698089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ore testing system
Assignee: Inter-State Iron Co
•
Filing: 1949-06-24
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Granted: 1954-12-28
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Expires: 1969-06-24
Abstract
No abstract record available.
Inventors
- 👤 Clarence H Sleeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:53
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/28; B03B5/30; B03B5/36; B03B5/42; B03B11/00; B03B2011/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
APPARATUS FOR TESTING THE HIGH DENSITY ORE CONTENT OF A CRUDE ORE SAMPLE, COMPRISING A CONTAINER ROTATABLE ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, MEANS TO ROTATE THE CONTAINER, AN AXIALLY LOCATED AND UNOBSTRUCTED ACCESS OPENING IN THE CONTAINER THROUGH WHICH THE SAMPLE TO BE TESTED AND A LIQUID CONTAINING FINE PARTICLES IN SUSPENSION ARE CHARGEABLE INTO THE CONTAINER AND THROUGH WHICH A SCOOP MAY BE INSERTED TO REMOVE RELATIVELY LIGHT MATERIALS FLOATING TO THE TOP OF THE LIQUID MIXTURE IN THE CONTAINER, A PERIPHERALLY LOCATED DISCHARGE OPENING IN THE CONTAINER THROUGH WHICH THE BALANCE OF THE MIXTURE MAY BE DRAINED OUT OF THE CONTAINER, A COVER REMOVABLY MOUNTED OVER SAID PERIPHERAL OPENING, AND A SCREEN DISPOSED TO RECEIVE THE SAID BALANCE OF THE MIXTURE DRAINING OUT OF THE CONTAINER AND ADAPTED TO PASS THE SAID LIQUID AND FINE PARTICLES WHILE RETAINING SUBSTANTIALLY ALL OF THE ORE PARTICLES.
Claim 2
Dependent Claim
146 words
APPARATUS FOR TESTING THE HIGH DENSITY ORE CONTENT OF A CRUDE ORE SAMPLE, COMPRISING A CONTAINER ROTATABLE ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, MEANS TO ROTATE THE CONTAINER, AN AXIALLY LOCATED AND UNOBSTRUCTED ACCESS OPENING IN THE CONTAINER THROUGH WHICH THE SAMPLE TO BE TESTED AND A LIQUID CONTAINING FINE PARTICLES IN SUSPENSION ARE CHARGEABLE INTO THE CONTAINER AND THROUGH WHICH A SCOOP MAY BE INSERTED TO REMOVE RELATIVELY LIGHT MATERIALS FLOATING TO THE TOP OF THE LIQUID MIXTURE IN THE CONTAINER, A PERIPHERALLY LOCATED DISCHARGE OPENING IN THE CONTAINER THROUGH WHICH THE BALANCE OF THE MIXTURE MAY BE DRAINED OUT OF THE CONTAINER, A COVER REMOVABLY MOUNTED OVER SAID PERIPHERAL OPENING, AND A SCREEN DISPOSED TO RECEIVE THE SAID BALANCE OF THE MIXTURE DRAINING OUT OF THE CONTAINER AND ADAPTED TO PASS THE SAID LIQUID AND FINE PARTICLES WHILE RETAINING SUBSTANTIALLY ALL OF THE ORE PARTICLES.
References Cited (Backward Citations)
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US1559938A
Cited
US1989003A
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US2192912A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |