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US3177415A Expired / Lapsed US ⏱️ 0.0 years remaining

Hermetically sealed capacitor

Assignee: AT&T Inc
•
Filing: 1959-12-18
•
Granted: 1965-04-06
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Expires: 1979-12-18
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph A Kater

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 16:40
CPC Classifications
H; H01; H01G; H01G2/00; H01G2/10; H01G2/103; H01G4/00; H01G4/30

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 245 words
IN A HERMETICALLY SEALED CAPACITOR, CAPACITIVE MEANS COMPRISING A CENTRALLY APERTURED DIELECTRIC PLATE, A CONDUCTIVE COATING COVERING THE SURFACE OF SAID PLATE, THE COATING BEING CONTINUOUSLY INTERRUPTED ON ONE FACE OF THE PLATE A SPACED DISTANCE FROM THE OUTER EDGE AND CONTINUOUSLY INTERRUPTED ON THE OTHER FACE OF THE PLATE A SPACED DISTANCE FROM THE INNER EDGE, THE INTERRUPTIONS PROVIDING TWO ELECTRICALLY CONDUCTIVE ELEMENTS SEPARATED BY A DIELECTRIC ELEMENT, A FIRST ENVELOPE SECTION FOR ENCASING SAID CAPACITIVE MEANS COMPRISING A FIRST APERTURED REFRACTORY DIELECTRIC PLATE SUPERIMPOSED ON SAID CAPACITIVE MEANS, A FIRST CONDUCTIVE SHELL SURROUNDING SAID CAPACITIVE MEANS AND SAID DIELECTRIC PLATE, AND A FIRST CONDUCTIVE TUBE EXTENDING THROUGH THE APERTURE IN SAID CAPACITIVE MEANS AND SAID DIELECTRIC PLATE, SAID SHELL AND TUBE BEING HERMETICALLY JOINED TO SAID DIELECTRIC PLATE, THE ENDS OF SAID SHELL AND TUBE REMOTE TO SAID DIELECTRIC PLATE BEING FLANGED OVER TO ELECTRICALLY CONNECT SAID SHELL TO ONE CONDUCTIVE ELEMENT AND SAID TUBE TO THE OTHER CONDUCTIVE ELEMENT OF SAID CAPACITIVE MEANS, AND A SECOND ENVELOPE SECTION FOR ENCASING SAID FIRST ENVELOPE SECTION COMPRISING A SECOND APERTURED REFRACTORY DIELECTRIC PLATE SUPERIMPOSED ON SAID FLANGED OVER END OF SAID FIRST ENVELOPE SECTION, A SECOND CONDUCTIVE SHELL SURROUNDING SAID FIRST CONDUCTIVE SHELL, AND A SECOND CONDUCTIVE MEMBER INSERTED WITHIN SAID FIRST CONDUCTIVE TUBE, SAID SECOND CONDUCTIVE SHELL AND MEMBER BEING HERMETICALLY JOINED TO SAID SECOND DIELECTRIC PLATE AND RESPECTIVELY HERMETICALLY JOINED TO AND ELECTRICALLY CONNECTED TO SAID FIRST CON DUCTIVE SHELL AND TUBE.
Claim 2
Dependent Claim 245 words
IN A HERMETICALLY SEALED CAPACITOR, CAPACITIVE MEANS COMPRISING A CENTRALLY APERTURED DIELECTRIC PLATE, A CONDUCTIVE COATING COVERING THE SURFACE OF SAID PLATE, THE COATING BEING CONTINUOUSLY INTERRUPTED ON ONE FACE OF THE PLATE A SPACED DISTANCE FROM THE OUTER EDGE AND CONTINUOUSLY INTERRUPTED ON THE OTHER FACE OF THE PLATE A SPACED DISTANCE FROM THE INNER EDGE, THE INTERRUPTIONS PROVIDING TWO ELECTRICALLY CONDUCTIVE ELEMENTS SEPARATED BY A DIELECTRIC ELEMENT, A FIRST ENVELOPE SECTION FOR ENCASING SAID CAPACITIVE MEANS COMPRISING A FIRST APERTURED REFRACTORY DIELECTRIC PLATE SUPERIMPOSED ON SAID CAPACITIVE MEANS, A FIRST CONDUCTIVE SHELL SURROUNDING SAID CAPACITIVE MEANS AND SAID DIELECTRIC PLATE, AND A FIRST CONDUCTIVE TUBE EXTENDING THROUGH THE APERTURE IN SAID CAPACITIVE MEANS AND SAID DIELECTRIC PLATE, SAID SHELL AND TUBE BEING HERMETICALLY JOINED TO SAID DIELECTRIC PLATE, THE ENDS OF SAID SHELL AND TUBE REMOTE TO SAID DIELECTRIC PLATE BEING FLANGED OVER TO ELECTRICALLY CONNECT SAID SHELL TO ONE CONDUCTIVE ELEMENT AND SAID TUBE TO THE OTHER CONDUCTIVE ELEMENT OF SAID CAPACITIVE MEANS, AND A SECOND ENVELOPE SECTION FOR ENCASING SAID FIRST ENVELOPE SECTION COMPRISING A SECOND APERTURED REFRACTORY DIELECTRIC PLATE SUPERIMPOSED ON SAID FLANGED OVER END OF SAID FIRST ENVELOPE SECTION, A SECOND CONDUCTIVE SHELL SURROUNDING SAID FIRST CONDUCTIVE SHELL, AND A SECOND CONDUCTIVE MEMBER INSERTED WITHIN SAID FIRST CONDUCTIVE TUBE, SAID SECOND CONDUCTIVE SHELL AND MEMBER BEING HERMETICALLY JOINED TO SAID SECOND DIELECTRIC PLATE AND RESPECTIVELY HERMETICALLY JOINED TO AND ELECTRICALLY CONNECTED TO SAID FIRST CON DUCTIVE SHELL AND TUBE.

References Cited (Backward Citations)

US1656431A Cited
US1754268A Cited
US2430433A Cited
US2759155A Cited
FR1115671A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-05 1968-10-05 1969-04-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-05 1972-10-05 1973-04-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-05 1976-10-05 1977-04-06 $7700.00 Window Closed / Lapsed

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