← Back to Patent Explorer
US3270254A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical capacitors and method of making the same

Assignee: General Electric Co
•
Filing: 1962-04-16
•
Granted: 1966-08-30
•
Expires: 1982-04-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Cohn Hans

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:31
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/15; H01G9/151

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 82 words
A SOLID ELECTROLYTE CAPACITOR COMPRISING A CONVOLUTELY WOUND ASSEMBLY OF A SUPERIMPOSED PAIR OF FOIL ELECTRODES AT LEAST ONE OF WHICH IS COMPOSED OF A FILMFORMING METAL HAVING A DIELECTRIC OXIDE FILM FORMED THEREON, SAID FOIL ELECTRODES BEING SEPARATED BY SPACER MATERIAL COMPRISING A THERMALLY RESISTANT, POROUS ABSORBENT SHEET MATERIAL IMPREGNATED WITH AN IN SITU HEAT-PRODUCED SEMICONDUCTIVE OXIDE MATERIAL AND ARRANGED IN CONTACT WITH SAID DIELECTRIC OXIDE FILM, AND A COVERING ON SAID WOUND ASSEMBLY COMPRISING THERMALLY RESISTANT NON-ABOSRBEWNT POROUS SHEET MATERIAL.
Claim 2
Dependent Claim 82 words
A SOLID ELECTROLYTE CAPACITOR COMPRISING A CONVOLUTELY WOUND ASSEMBLY OF A SUPERIMPOSED PAIR OF FOIL ELECTRODES AT LEAST ONE OF WHICH IS COMPOSED OF A FILMFORMING METAL HAVING A DIELECTRIC OXIDE FILM FORMED THEREON, SAID FOIL ELECTRODES BEING SEPARATED BY SPACER MATERIAL COMPRISING A THERMALLY RESISTANT, POROUS ABSORBENT SHEET MATERIAL IMPREGNATED WITH AN IN SITU HEAT-PRODUCED SEMICONDUCTIVE OXIDE MATERIAL AND ARRANGED IN CONTACT WITH SAID DIELECTRIC OXIDE FILM, AND A COVERING ON SAID WOUND ASSEMBLY COMPRISING THERMALLY RESISTANT NON-ABOSRBEWNT POROUS SHEET MATERIAL.

References Cited (Backward Citations)

US2989447A Cited
US3093883A Cited
US2005279A Cited
US2310932A Cited
US3066247A Cited
US3058040A Cited
US2973465A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-29 1970-02-28 1970-08-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-29 1974-02-28 1974-08-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-29 1978-02-28 1978-08-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag