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US3553939A Expired / Lapsed US ⏱️ 0.0 years remaining

Electro static precipitator having means to support the collecting electrodes

Assignee: WLTD Ltd
•
Filing: 1969-03-28
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Granted: 1971-01-12
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Expires: 1989-03-28
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Abstract

Abstract AN ELECTRO-PRECIPITATOR COMPRISES A CASING, A PLURALITY OF SPACED COLLECTOR ELECTRODE ASSEMBLIES, AND A PLURALITY OF DISCHARGE ELECTRODES LOCATED IN SPACES BETWEEN THE COLLECTOR ELECTRODES OF THE ASSEMBLIES. EACH COLLECTOR ELECTRODE ASSEMBLY COMPRISES TWO VERTICAL GENERALLY PLANAR PARALLEL COLLECTOR ELECTRODES EACH OF WHICH IS SECURED TO A HORIZONTALLY ELONGATED TUBULAR SUPPORT MEMBER MOUNTED IN THE CASING AND FROM WHICH THE COLLECTOR ELECTRODE EXTENDS DOWNWARDLY, AND THE COLLECTOR ELECTRODE ASSEMBLY ALSO COMPRISES BRACING MEANS CONNECTING TOGETHER THE SUPPORT MEMBERS OF SAID ASSEMBLY, SAID BRACING MEANS COMPRISING ONE OR MORE TUBULAR ASSEMBLIES SPACED APART ALONG THE SUPPORT MEMBERS AND EACH OF WHICH EXTENDS BETWEEN THE SUPPORT MEMBERS AT RIGHT ANGLES THERETO. EACH TUBULAR ASSEMBLY COMPRISES TWO HORIZONTAL TUBULAR MEMBERS ONE SECURED IN EACH SUPPORT MEMBER, SAID TWO TUBULAR MEMBERS BEING OPPOSITE AND ALIGNED, A FURTHER TUBULAR MEMBER ALIGNED WITH AND EXTENDING BETWEEN SAID TWO ALIGNED TUBULAR MEMBERS AND A FASTENER EXTENDING THROUGH THE THREE ALIGNED TUBULAR MEMBERS TO SECURE SAID TUBULAR MEMBERS TOGETHER.

Inventors

  • 👤 John F Dyla

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 23:04
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/86

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) 1974-01-11 1974-07-13 1975-01-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-11 1978-07-13 1979-01-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-11 1982-07-13 1983-01-12 $7700.00 Window Closed / Lapsed

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