US3302073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical capacitors and electrode material therefor
Assignee: General Electric Co
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Filing: 1963-10-21
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Granted: 1967-01-31
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Broodo Archie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:38
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/048; H01G9/052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN ELECTRICAL CAPACITOR COMPRISING, IN COMBINATION, A PAIR OF ELECTRODES, AT LEAST ONE OF WHICH CONSISTS OF A POROUS BODY COMPOSED OF A COMPRESSED SINTERED MASS OF SOLID SUBSTANTIALLY SPHERICAL PARTICLES OF A FILM-FORMING METAL, OF A SIZE VARYING FROM ABOUT 2 TO ABOUT 420 MICRONS FORMING A CONTINUOUS SURFACE THROUGHOUT SAID BODY, THE SURFACE OF EACH RESPECTIVE PARTICLE HAVING A SUSTANTIALLY CONSTANT RADIUS OF CURV ATURE IN THE NON-SINTERED PORTIONS, SAID CONTINUOUS SURFACE HAVING A CONTINUOUS DIELECTRIC OXIDE FILM OF SUBSTANTIALLY UNIFORM THICKNESS THEREON, AN ELECTROLYTE COVERING THE SURFACE OF SAID OXIDE FILM AND THE OTHER OF SAID PAIR OF ELECTRODES CONTACTING SAID ELECTROLYTE.
Claim 2
Dependent Claim
105 words
AN ELECTRICAL CAPACITOR COMPRISING, IN COMBINATION, A PAIR OF ELECTRODES, AT LEAST ONE OF WHICH CONSISTS OF A POROUS BODY COMPOSED OF A COMPRESSED SINTERED MASS OF SOLID SUBSTANTIALLY SPHERICAL PARTICLES OF A FILM-FORMING METAL, OF A SIZE VARYING FROM ABOUT 2 TO ABOUT 420 MICRONS FORMING A CONTINUOUS SURFACE THROUGHOUT SAID BODY, THE SURFACE OF EACH RESPECTIVE PARTICLE HAVING A SUSTANTIALLY CONSTANT RADIUS OF CURV ATURE IN THE NON-SINTERED PORTIONS, SAID CONTINUOUS SURFACE HAVING A CONTINUOUS DIELECTRIC OXIDE FILM OF SUBSTANTIALLY UNIFORM THICKNESS THEREON, AN ELECTROLYTE COVERING THE SURFACE OF SAID OXIDE FILM AND THE OTHER OF SAID PAIR OF ELECTRODES CONTACTING SAID ELECTROLYTE.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |