US2840627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid dielectrics and apparatus embodying the same
Assignee: Westinghouse Electric Corp
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Filing: 1952-09-04
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Granted: 1958-06-24
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Expires: 1972-09-04
Abstract
No abstract record available.
Inventors
- 👤 Charles W Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:24
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/08; H01F27/10; H01F27/12; H01F27/125; H01B; H01B3/00; H01B3/18; H01B3/20; H01B3/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
ELECTRICAL APPARATUS COMPRISING, IN COMBINATION A CASING, AN ELECTRICAL CONDUCTOR IN THE CASING, AND A LIQUID DIELECTRIC DISPOSED IN THE CASING TO INSULATE THE CONDUCTOR AND TO DISSIPATE HEAT DEVELOPED IN THE CONDUCTOR, THE DIELECTRIC CONSISTING ESSENTIALLY OF A CHLORINATED CYCLIC DIELECTRIC LIQUID AS THE MAJOR COMPONENT, THE HALOGENATED CYCLIC LIQUID GIVING OFF HYDROGEN CHLORIDE WHEN SUBJECTED
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) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |