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US3687834A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for removing particles from fluid containing the same

Assignee: Individual
•
Filing: 1970-04-06
•
Granted: 1972-08-29
•
Expires: 1990-04-06
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Abstract

Abstract MEANS ADJACENT THE MORE INTENSE PORTIONS OF THE NONUNIFORM FIELDS, SUCH ELECTRODES BEING EITHER EXTERNALLY CHARGED OR ELECTRETS. SUCH PASSAGE MEANS CAN COMPRISE MEANS FOR STRAIGHT LAMINAR FLOW OF THE FLUID THERETHROUGH BY BEING ADJACENT OR IN ANOTHER PASSAGE MEANS HAVING A PARTICLE RECEIVING FLUID STREAM FLOW THERETHROUGH. METHOD AND APPARATUS HAVING ELECTROSTATIC MEANS FOR REMOVING PARTICLES FROM A FLUID CONTAINING THE SAME, THE ELECTROSTATIC MEANS COMPRISING CHARGED ELECTRODE MEANS ELECTRICALLY INSULATED FROM THE FLUID SO THAT THE ELECTROSTATIC FIELD THEREOF DRAWS THE PARTICLES INTO EXIT MEANS OF A PASSAGE DEFINING MEANS HAVING THE FLUID MOVED THERETHROUGH. SUCH CHARGED ELECTRODE MEANS CREATE A PLURALITY OF ALTERNATELY ARRANGED NON-UNIFORM FIELDS ACROSS THE FLUID IN THE PASSAGE MEANS SO THAT THE PARTICLES ENTER THE EXIT

Inventors

  • 👤 James T Candor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 18:38
CPC Classifications
D; D21; D21F; D21F5/00; D21F5/16; B; B03; B03C; B03C3/00; B03C5/00; B03C5/02; B03C5/022; B03C5/026; F; F26; F26B; F26B3/00; F26B3/32; F26B3/34; F26B3/347; Y; Y10; Y10S; Y10S55/00; Y10S55/39

Claims Analysis

Total Claims: 0
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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) 1975-08-29 1976-02-28 1976-08-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-08-29 1980-02-28 1980-08-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-08-29 1984-02-28 1984-08-29 $7700.00 Window Closed / Lapsed

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