US3202892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-healing capacitor
Assignee: Sprague Electric Co
•
Filing: 1959-02-20
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Granted: 1965-08-24
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Expires: 1979-02-20
Abstract
No abstract record available.
Inventors
- 👤 Paul H Netherwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:58
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/005; H01G4/015
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A CONVOLUTELY WOUND SELF-HEALING CAPACITOR HAVING A NON-SELF-SUPPORTING VAPOR-DEPOSITED STRATUM OF METAL ON A SMOOTH RESIN FILM DEPOSITED ON A POROUS MATRIX, SAID RESIN FILM COMPRISING A CELLULOSE ESTER CONTAINING A HYDROXY RADICAL CROSS-LINKED WITH A DI-SIOCYANATE, AND A DIELECTRIC MATERIAL IMPREGNATING SAID POROUS MATRIX, SAID RESIN BEING INERT TO SAID DIELECTRIC MATERIAL,
Claim 2
Dependent Claim
53 words
A CONVOLUTELY WOUND SELF-HEALING CAPACITOR HAVING A NON-SELF-SUPPORTING VAPOR-DEPOSITED STRATUM OF METAL ON A SMOOTH RESIN FILM DEPOSITED ON A POROUS MATRIX, SAID RESIN FILM COMPRISING A CELLULOSE ESTER CONTAINING A HYDROXY RADICAL CROSS-LINKED WITH A DI-SIOCYANATE, AND A DIELECTRIC MATERIAL IMPREGNATING SAID POROUS MATRIX, SAID RESIN BEING INERT TO SAID DIELECTRIC MATERIAL,
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |