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US3067367A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrolytic capacitor

Assignee: Sprague Electric Co
•
Filing: 1958-06-05
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Granted: 1962-12-04
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Expires: 1978-06-05
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Abstract

No abstract record available.

Inventors

  • 👤 Sidney D Ross

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 16:30
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/022; H01G9/025

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 136 words
AN ELECTRICAL CAPACITOR HAVING AN ANODE ELECTRODE AND A CATHODE ELECTRODE, A DIELECTRIC FILM ON SAID ANODE, A FILM SPACER BETWEEN SAID ELECTRODES CONSISTING ESSENTIALLY OF A CROSS-LINKED POLYMERIC ELECTROLYTE, HAVING NONACIDIC POSITIVE CHARGES ON THE BACKBONE OF THE POLYMERIC CHAIN OF SAID POLYMERIC ELECTROLYTE, POSITIVELY CHARGED RESIN BACKBONE BEING HIGHLY CROSS-LINKED SO AS TO BE NON-DIFFUSIBLE, NEGATIVE IONS OF SAID LEECTROLYE BALANCING SAID POSITIVE CHARGES AND BEING DIFFUSIBLE, THE POLYMER LATTICE OF SAID CROSS-LINKED POLYMERIC ELECTROLYT INCLUDING A POROSITY WHEREBY SAID NEGATIVE IONS ARE FREE TO MOVE TO THE ANODE OF THE CAPACITOR AND SAID DIELECTRIC FILM IS REFORMABLE BY SAID NEGATIVE IONS WITH AN ABSENCE OF IONIC MOVEMENT TO THE CATHODE IN SAID CAPACITOR, SAID POLYMERIC ELECTROLYTE HAVING FROM ABOUT 5 TO 70 PERCENT PLASTICIZER AND SAID ELECTROLYTE BEING SUBSTANTIALLY INSOLUNBLE IN SAID PLASTICIZER.
Claim 2
Dependent Claim 136 words
AN ELECTRICAL CAPACITOR HAVING AN ANODE ELECTRODE AND A CATHODE ELECTRODE, A DIELECTRIC FILM ON SAID ANODE, A FILM SPACER BETWEEN SAID ELECTRODES CONSISTING ESSENTIALLY OF A CROSS-LINKED POLYMERIC ELECTROLYTE, HAVING NONACIDIC POSITIVE CHARGES ON THE BACKBONE OF THE POLYMERIC CHAIN OF SAID POLYMERIC ELECTROLYTE, POSITIVELY CHARGED RESIN BACKBONE BEING HIGHLY CROSS-LINKED SO AS TO BE NON-DIFFUSIBLE, NEGATIVE IONS OF SAID LEECTROLYE BALANCING SAID POSITIVE CHARGES AND BEING DIFFUSIBLE, THE POLYMER LATTICE OF SAID CROSS-LINKED POLYMERIC ELECTROLYT INCLUDING A POROSITY WHEREBY SAID NEGATIVE IONS ARE FREE TO MOVE TO THE ANODE OF THE CAPACITOR AND SAID DIELECTRIC FILM IS REFORMABLE BY SAID NEGATIVE IONS WITH AN ABSENCE OF IONIC MOVEMENT TO THE CATHODE IN SAID CAPACITOR, SAID POLYMERIC ELECTROLYTE HAVING FROM ABOUT 5 TO 70 PERCENT PLASTICIZER AND SAID ELECTROLYTE BEING SUBSTANTIALLY INSOLUNBLE IN SAID PLASTICIZER.

References Cited (Backward Citations)

US1918717A Cited
US2166179A Cited
US2149086A Cited
US2145710A Cited
GB468270A Cited
US2310932A Cited
US2786088A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-03 1966-06-04 1966-12-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-03 1970-06-04 1970-12-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-03 1974-06-04 1974-12-04 $7700.00 Window Closed / Lapsed

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