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US2765074A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for separating ores

Assignee: Individual
•
Filing: 1955-02-11
•
Granted: 1956-10-02
•
Expires: 1975-02-11
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Abstract

No abstract record available.

Inventors

  • 👤 Grant S Diamond

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 20:34
CPC Classifications
B; B03; B03C; B03C7/00; B03C7/003

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 144 words
THE METHOD OF SEPARATING A MINERAL INERT TO AN ELECTROSTATIC CHARGE FROM AN ORE WHICH COMPRISES THE STEPS OF BULK MINING THE ORE, SUBMITTING THE ORE TO A PRIMARY CRUSHING, SUBMITTING THE PRIMARY CRUSHED ORE TO A SECONDARY CRUSHING TO SPLINTER SUBSTANTIALLY ALL OF THE CRYSTALS CONTAINED THEREIN TO OBTAIN SPLINTERS HAVING CLEAN EXPOSED CRYSTALLINE SURFACES, COARSE SCALPING THE SECONDARY CRUSHED ORE TO REMOVE MICA TAILING, AIR CLEANING AND SCREENING THE SCALPED ORE TO REMOVE DUST AND FINES, SUBMITTING THE AIR CLEANED AND SCREENED ORE TO A HI-INTENSITY INDUCED MAGNETIC FIELD TREATMENT TO REMOVE MAGNETICALLY AFFECTED WASTES, HEATING AND AGITATING THE HI-INTENSITY INDUCED MAGNETIC FIELD TEATED ORE TO DEVELOP ELECTROSTATIC CHARGES ON THE SPLINTERS, SUBMITTING THE AGITATED AND HEATED ORE TO AN ELECTROSTATIC FIELD TREATMENT BY DROPPING THE ORE THROUGH A HI-VOLTAGE ELECTROSTATIC FIELD TO REMOVE THE ELECTROSTATICALLY AFFECTED WASTES FROM THE INERT MINERAL.

References Cited (Backward Citations)

US548377A Cited
US1404974A Cited
US1999825A Cited
US2078513A Cited
US2094440A Cited
US2175484A Cited
US2254135A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-10-02 1960-04-02 1960-10-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-10-02 1964-04-02 1964-10-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-10-02 1968-04-02 1968-10-02 $7700.00 Window Closed / Lapsed

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