US3321676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enclosed electrolytic capacitor with insulative impervious seal-layer on section-body
Assignee: Sprague Electric Co
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Filing: 1964-06-04
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Granted: 1967-05-23
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Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Sidney D Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:30
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/08; Y; Y10; Y10S; Y10S65/00; Y10S65/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN ALUMINUM ELECTROLYTIC CAPACITOR COMPRISING AN ELECTROLYTIC CAPACITANCE SECTION OF CONVOLUTELY WOUND ALUMINUM FOILS SEPARATED BY A SPACER MATERIAL, LEADS AFFIXED TO SAID FOIL AND EXTENDING FROM SAID SECTION; SAID SETION BEING IMPREGNATED WITH A LIQUID ELECTROLYTE; A SECTIONCONFORMING, SUBSTANTIALLY NEUTRAL, WATER-INSOLUBLE, ELECTROLYTE-IMPERVIOUS, CONTINUOUS THIN ORGANIC DIELECTRIC, FORMED-IN-PLACE FILM ENVELOPING SAID SECTION, SAID FILM BEING A MEMBER SELECTED FROM THE GORUP CONSISTING OF A HYDROCARBON AND A CELLULOSE; SAID LEADS PROTRUDING THROUGH SAID FILMS; AND AN OUTER PROTECTIVE CONTAINER HOUSING SAID SECTION AND SAID FILM.
Claim 2
Dependent Claim
85 words
AN ALUMINUM ELECTROLYTIC CAPACITOR COMPRISING AN ELECTROLYTIC CAPACITANCE SECTION OF CONVOLUTELY WOUND ALUMINUM FOILS SEPARATED BY A SPACER MATERIAL, LEADS AFFIXED TO SAID FOIL AND EXTENDING FROM SAID SECTION; SAID SETION BEING IMPREGNATED WITH A LIQUID ELECTROLYTE; A SECTIONCONFORMING, SUBSTANTIALLY NEUTRAL, WATER-INSOLUBLE, ELECTROLYTE-IMPERVIOUS, CONTINUOUS THIN ORGANIC DIELECTRIC, FORMED-IN-PLACE FILM ENVELOPING SAID SECTION, SAID FILM BEING A MEMBER SELECTED FROM THE GORUP CONSISTING OF A HYDROCARBON AND A CELLULOSE; SAID LEADS PROTRUDING THROUGH SAID FILMS; AND AN OUTER PROTECTIVE CONTAINER HOUSING SAID SECTION AND SAID FILM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |