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US3588758A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical connector filter having dielectric and ferromagnetic tubes bonded together with conductive electrode layers and having nonintegral connecting spring

Assignee: TDK Micronas GmbH
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Filing: 1969-04-28
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Granted: 1971-06-28
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Expires: 1989-04-28
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Abstract

Abstract THE DISCLOSURE RELATES TO AN ELECTRICAL CONNECTOR FILTER ASSEMBLY FORMED OF A FIRST TUBULAR MEMBER MADE OF A HIGH DIELECTRIC CONSTANT MATERIAL SUCH AS BARIUM-TITANATE. THE TUBULAR MEMBER IS CONDUCTIVELY COATED BY MEANS OF A SILVER FRIT SUCH AS SILVER PARTICLES TOGETHER WITH MICROSCOPIC GLASS BEADS, WHICH IS READILY APPLIED TO THE DIELECTRIC TUBULAR MEMBER. FURTHER, A SECOND TUBULAR MEMBER, MADE OF FERROMAGNETIC MATERIAL IS ALSO COATED BY MEANS OF A SILVER FRIT ON ITS INNER SURFACE AND AROUND ITS ENDS. THE FERROMAGNETIC MEMBER IS INSERTED IN THE DIELECTRIC MEMBER AND THE ENTIRE ASSEMBLY FIRED TO FORM A SINGLE COMPLETE ASSEMBLY. A SPRING PIN MAY BE PLACED BETWEEN A TERMINAL PIN AND THE SILVER SURFACE INSIDE THE FERROMAGNETIC MEMBER TO AID THE TERMINAL PIN IN CONTACTING THE SILVERED SURFACE. THE FILTER MAY BE READILY REMOVED FROM THE TERMINAL PIN AND REPLACED WITH A DIFFERENT FILTER WHEN DESIRED.

Inventors

  • 👤 Douglas J Hurst

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:01
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/719

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) 1974-06-27 1974-12-27 1975-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-27 1978-12-27 1979-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-27 1982-12-27 1983-06-28 $7700.00 Window Closed / Lapsed

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