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US3170087A Expired / Lapsed US ⏱️ 0.0 years remaining

Static discharger apparatus

Assignee: Granger Associates Inc
•
Filing: 1961-07-31
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Granted: 1965-02-16
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Expires: 1981-07-31
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Abstract

No abstract record available.

Inventors

  • 👤 Robert L Tanner
  • 👤 Hugh D Kennedy
  • 👤 Loren L Raglin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 06:10
CPC Classifications
B; B64; B64D; B64D45/00; B64D45/02; H; H04; H04B; H04B1/00; H04B1/06; H04B1/10; H05; H05F; H05F3/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 186 words
A PRECIPITATION STATIC DISCHARGER COMPRISING A RETAINER BASE ADAPTED TO BE SECURED TO THE OBJECT TO BE DISCHARGED, SAID BASE HAVING A LARGE SURFACE AREA FOR PHYSICAL AND ELECTRICAL CONTACT WITH SAID OBJECT, AND ELONGATED ELECTRICALLY NON-CONDUCTIVE DISCHARGE MEMBER HAVING A DISTRIBUTED HIGH RESISTANCE ELECTRICALLY CONDUCTIVE COATING THEREON ARRANGED TO BE REMOVABLY SECURED TO SAID RETAINER BASE AT ONE END OF SAID DISCHARGE MEMBER WITH SAID COATING ELECTRICALLY COUPLED TO SAID RETAINER BASE, A METALLIC ELECTRICALLY CONDUCTIVE CORONA DISCHARGE PIN SECURED IN SAID DISCHARGE MEMBER AND EXTENDING ENTIRELY THROUGH SAID DISCHARGE MEMBER TRANSVERSE TO THE AXIS THEREOF WITH TWO SHARP POINTED ENDS EXTENDING THEREFROM ON EITHER SIDE AND AT A POSITION SPACED APART FROM SAID RETAINER BASE, SAID COATED DISCHARGE MEMBER BEING PROVIDED WITH A RESERVOIR AT THE PLACE WHERE SAID PIN EXTENDS FROM THE DISCHARGE MEMBER AND A SOLIDIFIED POOL OF ELECTRICALLY CONDUCTIVE MATERIAL POSITIONED IN SAID RESERVOIR TO PROVIDE A GOOD ELECTRICALLY CONDUCTIVE PATH BETWEEN SAID RESISTIVE COATING AND SAID PIN, THEREBY PROVIDE A CORONA DISCHARGE POINT FROM SAID STATIC DISCHARGER AND AN ELECTRICALLY NONCONDUCTIVE CAP COVERING THE FREE END OF SAID DISCHARGE MEMBER.
Claim 2
Dependent Claim 186 words
A PRECIPITATION STATIC DISCHARGER COMPRISING A RETAINER BASE ADAPTED TO BE SECURED TO THE OBJECT TO BE DISCHARGED, SAID BASE HAVING A LARGE SURFACE AREA FOR PHYSICAL AND ELECTRICAL CONTACT WITH SAID OBJECT, AND ELONGATED ELECTRICALLY NON-CONDUCTIVE DISCHARGE MEMBER HAVING A DISTRIBUTED HIGH RESISTANCE ELECTRICALLY CONDUCTIVE COATING THEREON ARRANGED TO BE REMOVABLY SECURED TO SAID RETAINER BASE AT ONE END OF SAID DISCHARGE MEMBER WITH SAID COATING ELECTRICALLY COUPLED TO SAID RETAINER BASE, A METALLIC ELECTRICALLY CONDUCTIVE CORONA DISCHARGE PIN SECURED IN SAID DISCHARGE MEMBER AND EXTENDING ENTIRELY THROUGH SAID DISCHARGE MEMBER TRANSVERSE TO THE AXIS THEREOF WITH TWO SHARP POINTED ENDS EXTENDING THEREFROM ON EITHER SIDE AND AT A POSITION SPACED APART FROM SAID RETAINER BASE, SAID COATED DISCHARGE MEMBER BEING PROVIDED WITH A RESERVOIR AT THE PLACE WHERE SAID PIN EXTENDS FROM THE DISCHARGE MEMBER AND A SOLIDIFIED POOL OF ELECTRICALLY CONDUCTIVE MATERIAL POSITIONED IN SAID RESERVOIR TO PROVIDE A GOOD ELECTRICALLY CONDUCTIVE PATH BETWEEN SAID RESISTIVE COATING AND SAID PIN, THEREBY PROVIDE A CORONA DISCHARGE POINT FROM SAID STATIC DISCHARGER AND AN ELECTRICALLY NONCONDUCTIVE CAP COVERING THE FREE END OF SAID DISCHARGE MEMBER.

References Cited (Backward Citations)

US2536818A Cited
US2466311A Cited
US2833849A Cited
US2933732A Cited
US3034020A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-02-16 1968-08-17 1969-02-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-02-16 1972-08-17 1973-02-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-02-16 1976-08-17 1977-02-16 $7700.00 Window Closed / Lapsed

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