Patent US3270254A successfully refreshed from Google Patents.
US3270254A
Expired / Lapsed
US
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Electrical capacitors and method of making the same
Assignee: General Electric Co
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Filing: 1962-04-16
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Granted: 1966-08-30
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Cohn Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:49
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 |