Patent US2528596A successfully refreshed from Google Patents.
US2528596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condenser having a laminated dielectric thickened at its marginal portions
Assignee: Micafil AG
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Filing: 1948-02-11
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Granted: 1950-11-07
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Expires: 1968-02-11
Abstract
No abstract record available.
Inventors
- 👤 Liechti Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:15
CPC Classifications
H; H01; H01G; H01G2/00; H01G2/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
IN AN ELECTRIC ROLL CONDENSER HAVING MORE THAN TWO METALLIC LAYERS AND BETWEEN EACH TWO METALLIC LAYERS A DIELECTRIC BUILT UP OF A PLURALITY OF FULL WIDTH INSULATING LAYERS AND HAVING A MIDDLE PORTION AND MARGINAL PORTIONS, AT LEAST ONE
Claim 2
Dependent Claim
40 words
IN AN ELECTRIC ROLL CONDENSER HAVING MORE THAN TWO METALLIC LAYERS AND BETWEEN EACH TWO METALLIC LAYERS A DIELECTRIC BUILT UP OF A PLURALITY OF FULL WIDTH INSULATING LAYERS AND HAVING A MIDDLE PORTION AND MARGINAL PORTIONS, AT LEAST ONE
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) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |