Patent US3099770A successfully refreshed from Google Patents.
US3099770A
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Lightning arresters
Assignee: Westinghouse Electric Corp
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Filing: 1961-05-31
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Granted: 1963-07-30
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Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 Billy B Sorrow
- 👤 Ned T Kunkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:51
CPC Classifications
H; H01; H01T; H01T4/00; H01T4/16; H01T4/20; H01C; H01C7/00; H01C7/10; H01C7/12; H01T4/10; H01T4/12; H02; H02B; H02B11/00; H02B11/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A LIGHTING ARRESTER ADAPTED TO BE CONNECTED ACROSS POINTS HAVING DIFFERENT ELECTRICAL POTENTIAL INCLUDING AN INSULATING OUTER HOUSING, THE OUTER SURFACE OF THE OUTER HOUSING BEING SUBJECT TO ADHERENCE OF CONTAMINATING CONDUCTIVE SUBSTANCES THEREBY ESTABLISHING A CAPACITOR EFFECT BETWEEN THE OUTER SURFACE AND INTERNAL ARRESTER PARTS CAUSING SUFFICIENT CAPACITIVE CURRENT FLOW TO INITIATE CORONA DISCHARGE ABOUT SAID ARRESTER PARTS RESULTING IN REDUCTION IN INTERNAL SPARKOVER POTENTIAL, A SPARKGAP ASSEMBLY WITHIN SAID OUTER HOUSING COMPRISING A PLURALITY OF ELECTRODES FORMING ONE OR MORE SPARKGAPS ENCLOSED WITHIN A SEALED GAP ASSEMBLY HOUSING, A PLURALITY OF OTHER ARRESTER ELEMENTS, SAID SPARKGAP ASSEMBLY AND SAID OTHER ARRESTER ELEMENTS ARRANGED IN ONE OR MORE COLUMNS WITHIN SAID OUTER HOUSING, AND CORONA SUPPRESSING MATERIAL FILLING THE FREE SPACE WITHIN SAID OUTER HOUSING EXTERIORLY OF SAID SEALED GAP ASSEMBLY HOUSING.
Claim 2
Dependent Claim
133 words
A LIGHTING ARRESTER ADAPTED TO BE CONNECTED ACROSS POINTS HAVING DIFFERENT ELECTRICAL POTENTIAL INCLUDING AN INSULATING OUTER HOUSING, THE OUTER SURFACE OF THE OUTER HOUSING BEING SUBJECT TO ADHERENCE OF CONTAMINATING CONDUCTIVE SUBSTANCES THEREBY ESTABLISHING A CAPACITOR EFFECT BETWEEN THE OUTER SURFACE AND INTERNAL ARRESTER PARTS CAUSING SUFFICIENT CAPACITIVE CURRENT FLOW TO INITIATE CORONA DISCHARGE ABOUT SAID ARRESTER PARTS RESULTING IN REDUCTION IN INTERNAL SPARKOVER POTENTIAL, A SPARKGAP ASSEMBLY WITHIN SAID OUTER HOUSING COMPRISING A PLURALITY OF ELECTRODES FORMING ONE OR MORE SPARKGAPS ENCLOSED WITHIN A SEALED GAP ASSEMBLY HOUSING, A PLURALITY OF OTHER ARRESTER ELEMENTS, SAID SPARKGAP ASSEMBLY AND SAID OTHER ARRESTER ELEMENTS ARRANGED IN ONE OR MORE COLUMNS WITHIN SAID OUTER HOUSING, AND CORONA SUPPRESSING MATERIAL FILLING THE FREE SPACE WITHIN SAID OUTER HOUSING EXTERIORLY OF SAID SEALED GAP ASSEMBLY HOUSING.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |