US3144583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightining arrester
Assignee: Westinghouse Electric Corp
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Filing: 1960-11-14
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Granted: 1964-08-11
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Expires: 1980-11-14
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 05:49
CPC Classifications
H; H01; H01T; H01T1/00; H01T1/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN COMBINATION A LIGHTING ARRESTER INCLUDING A PLURALITY OF LIGHTNING ARRESTER ELEMENTS CONNECTED IN SERIES WITHIN AN INSULATING OUTER HOUSING CLOSED AT EACH END BY A RUPTURABLE DIAPHRAGM, A CURRENT SENSITIVE ELEMENT CAPABLE OF EVOLVING GAS WHEN EXPOSED TO EXCESSIVE CURRENT FOR A PREDETERMINED LENGTH OF TIME DISPOSED WITHIN THE OUTER HOUSING ADJACENT EACH DIAPHRAGM, SAID CURRENT SENSITIVE ELEMENT DISPOSED WITHIN A TUBULAR ELEMENT CLOSED AT ITS END ADJACENT SAID DIAPHRAGM BY A HAMMER ADAPTED TO BE PROPELLED TOWARD SAID DIAPHRAGM BY GAS PRESSURE GENERATED BY SAID CURRENT SENSITIVE ELEMENT THEREBY RUPTURING SAID DIAPHRAGM.
Claim 2
Dependent Claim
94 words
IN COMBINATION A LIGHTING ARRESTER INCLUDING A PLURALITY OF LIGHTNING ARRESTER ELEMENTS CONNECTED IN SERIES WITHIN AN INSULATING OUTER HOUSING CLOSED AT EACH END BY A RUPTURABLE DIAPHRAGM, A CURRENT SENSITIVE ELEMENT CAPABLE OF EVOLVING GAS WHEN EXPOSED TO EXCESSIVE CURRENT FOR A PREDETERMINED LENGTH OF TIME DISPOSED WITHIN THE OUTER HOUSING ADJACENT EACH DIAPHRAGM, SAID CURRENT SENSITIVE ELEMENT DISPOSED WITHIN A TUBULAR ELEMENT CLOSED AT ITS END ADJACENT SAID DIAPHRAGM BY A HAMMER ADAPTED TO BE PROPELLED TOWARD SAID DIAPHRAGM BY GAS PRESSURE GENERATED BY SAID CURRENT SENSITIVE ELEMENT THEREBY RUPTURING SAID DIAPHRAGM.
References Cited (Backward Citations)
US2593955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |