Patent US2866142A successfully refreshed from Google Patents.
US2866142A
Expired / Lapsed
US
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Capacitor with naphthalene derivative dielectric impregnant
Assignee: General Electric Co
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Filing: 1954-01-20
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Granted: 1958-12-23
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Expires: 1974-01-20
Abstract
No abstract record available.
Inventors
- 👤 Clinton D Cook
- 👤 Ralph E Plump
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:10
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
AN ELECTRIC CAPACITOR COMPRISING THE COMBINATION OF COOPERATING METAL ARMATURES AND INTERPOSED DIELECTRIC MATERIAL, SAID DIELECTRIC MATERIAL CONSISTING OF A STABILIZED REACTION PRODUCT OF A POLYMER COMPOSED OF AN AVERAGE OF ABOUT 6-7 UNITS OF ISOBUTYLENE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF NAPHTHALENE AND METHYLNAPHTHALENE.
Claim 2
Dependent Claim
48 words
AN ELECTRIC CAPACITOR COMPRISING THE COMBINATION OF COOPERATING METAL ARMATURES AND INTERPOSED DIELECTRIC MATERIAL, SAID DIELECTRIC MATERIAL CONSISTING OF A STABILIZED REACTION PRODUCT OF A POLYMER COMPOSED OF AN AVERAGE OF ABOUT 6-7 UNITS OF ISOBUTYLENE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF NAPHTHALENE AND METHYLNAPHTHALENE.
References Cited (Backward Citations)
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Cited
US2226589A
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US2143566A
Cited
US2436110A
Cited
US2615955A
Cited
US2719182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |