US3087619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for concentration of ores
Assignee: Western Machinery Co
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Filing: 1959-11-27
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Granted: 1963-04-30
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Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Kraut Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:19
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/02; B03B5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN AN APPARATUS FOR SEPARATING INTERMIXED PARTICLES HAVING VARYING SIZE AND DIFFERING DENSITIES IN ACCORD WITH THIER DENSITITES, A VESSEL CONFINING A BODY OF SLURRY HAVING A FREE UNCONFINED TOP SURFACE; MEANS FOR PROJECTING AT LEAST ONE STREAM OF A SUSPENSION OF SAID INTERMIXED PARTICLES AT SAID FREE SURFACE OF SAID BODY OF SLURRY WITH A SUFFICIENT PREDETERMINED FIRST VELOCITY TO PENETRATE SAID BODY OF SLURRY INCLUDING A MEMBER HAVING AT LEAST ONE ORIFICE THEREIN DISPOSED OVER SAID FREE SURFACE IN FLUID COMMUNICATION THEREWITH AND SUPPLY MEANS FOR DELIVERING SAID SUSPENSION OF INTERMIXED PARTICLES TO SAID ORIFICE UNDER A PREDETERMINED PRESSURE; AND DELIVERY MEANS SEPARATE FROM SAID SUPPLY MEANS FOR INTRODUCING A FLUID MEDIUM TO SAID VESSEL AT A POINT TO CAUSE AN UPWARD MOVEMENT OF SAID SLURRY IN COUNTER CURRENT TO SAID STREAM.
Claim 2
Dependent Claim
134 words
IN AN APPARATUS FOR SEPARATING INTERMIXED PARTICLES HAVING VARYING SIZE AND DIFFERING DENSITIES IN ACCORD WITH THIER DENSITITES, A VESSEL CONFINING A BODY OF SLURRY HAVING A FREE UNCONFINED TOP SURFACE; MEANS FOR PROJECTING AT LEAST ONE STREAM OF A SUSPENSION OF SAID INTERMIXED PARTICLES AT SAID FREE SURFACE OF SAID BODY OF SLURRY WITH A SUFFICIENT PREDETERMINED FIRST VELOCITY TO PENETRATE SAID BODY OF SLURRY INCLUDING A MEMBER HAVING AT LEAST ONE ORIFICE THEREIN DISPOSED OVER SAID FREE SURFACE IN FLUID COMMUNICATION THEREWITH AND SUPPLY MEANS FOR DELIVERING SAID SUSPENSION OF INTERMIXED PARTICLES TO SAID ORIFICE UNDER A PREDETERMINED PRESSURE; AND DELIVERY MEANS SEPARATE FROM SAID SUPPLY MEANS FOR INTRODUCING A FLUID MEDIUM TO SAID VESSEL AT A POINT TO CAUSE AN UPWARD MOVEMENT OF SAID SLURRY IN COUNTER CURRENT TO SAID STREAM.
References Cited (Backward Citations)
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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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |