US3255390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical capacitor
Assignee: General Electric Co
•
Filing: 1962-06-20
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Granted: 1966-06-07
•
Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Ruscetta
- 👤 Alfred L Jenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:21
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/145; B; B22; B22F; B22F3/00; B22F3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
AN ELECTROLYTIC CAPACITOR COMPRISING, IN COMBINATION, A CASING, AN ELECTRODE IN SAID CASING FORMED OF AN ANODIZABLE METAL HAVING A DIELECTRIC FILM FORMED THEREON, AN ADHERENT LAYER OF SOLID SEMI-CONDUCTIVE OXIDE FORMED ON SAID DIELECTRIC FILM, AND A FILM-FORMING LIQUID ELECTROLYTE IN SAID CASING IN CONTACT WITH SAID SOLID SEMICONDUCTIVE OXIDE LAYER.
Claim 2
Dependent Claim
52 words
AN ELECTROLYTIC CAPACITOR COMPRISING, IN COMBINATION, A CASING, AN ELECTRODE IN SAID CASING FORMED OF AN ANODIZABLE METAL HAVING A DIELECTRIC FILM FORMED THEREON, AN ADHERENT LAYER OF SOLID SEMI-CONDUCTIVE OXIDE FORMED ON SAID DIELECTRIC FILM, AND A FILM-FORMING LIQUID ELECTROLYTE IN SAID CASING IN CONTACT WITH SAID SOLID SEMICONDUCTIVE OXIDE LAYER.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |