US3025441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical capacitor
Assignee: General Electric Co
•
Filing: 1958-09-19
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Granted: 1962-03-13
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Expires: 1978-09-19
Abstract
No abstract record available.
Inventors
- 👤 Robert A West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:04
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AN ELECTRICAL CAPACITOR COMPRISING SPACED ELECTRODES HAVING DIELECTRIC MATERIAL INTERPOSED THEREBETWEEN, AT LEAST ONE OF SAID ELECTRODES BEING COMPOSED OF A HOMOGENEOUS SINTERED POWDER METALLURGY MIXTURE OF 4-18% BY WEIGHT OF ALUMINUM OXIDE AND THE REMAINDER ALUMINUM, SAID DIELECTRIC MATERIAL CONSISTING OF AT LEAST ONE ANODIC ALUMINUM OXIDE LAYER ON AT LEAST SAID ONE ELECTRODE.
Claim 2
Dependent Claim
55 words
AN ELECTRICAL CAPACITOR COMPRISING SPACED ELECTRODES HAVING DIELECTRIC MATERIAL INTERPOSED THEREBETWEEN, AT LEAST ONE OF SAID ELECTRODES BEING COMPOSED OF A HOMOGENEOUS SINTERED POWDER METALLURGY MIXTURE OF 4-18% BY WEIGHT OF ALUMINUM OXIDE AND THE REMAINDER ALUMINUM, SAID DIELECTRIC MATERIAL CONSISTING OF AT LEAST ONE ANODIC ALUMINUM OXIDE LAYER ON AT LEAST SAID ONE ELECTRODE.
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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |