US3328545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical device having sealed envelope and electrodes containing an absorbed gas
Assignee: The General Electric Company PLC
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Filing: 1964-06-10
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Granted: 1967-06-27
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Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Holliday John Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:56
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/50; H01J17/52; H01J17/54; H01J17/56; H01H; H01H1/00; H01H1/02; H01H1/0203; H01J17/02; H01J17/22; H01J17/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN ELECTRICAL DEVICE FOR CONTROLLING A FLOW OF ELECTRIC CURRENT, SAID DEVICE INCLUDING A SEALED ENVELOPE AND A PAIR OF SOLID METAL MAIN ELECTRODES RESPECTIVELY HAVING SURFACES WITHIN THE ENVELOPE BETWEEN WHICH THE CURRENT TO BE CONTROLLED PASSES IN OPERATION OF THE DEVICE AND BETWEEN WHICH AN ARC MAY BE FORMED IN NORMAL OPERATION OF THE DEVICE, AT LEAST ONE OF SAID PAIR OF MAIN ELECTRODES, WHICH ACTS AS A CATHODE IN OPERATION OF THE DEVICE, CONTAINING HYDROGEN WHICH, UPON INITIATION OF A DISCHARGE BETWEEN SAID PAIR OF MAIN ELECTRODES, IS LIBERATED FROM SAID CATHODE MORE READILY THAN THE BASIC MATERIAL OF SAID CATHODE, SAID HYDROGEN WHEN LIBERATED BEING CAPABLE OF BEING IONISED TO PROVIDE AN ARC OF HIGH CONDUCTANCE BETWEEN SAID PAIR OF MAIN ELECTRODES SO THAT THE ARC IS SUPPORTED BY THE HYDROGEN LIBERATED FROM THE CATHODE RATHER THAN THE BASIC MATERIAL OF THE CATHODE.
Claim 2
Dependent Claim
147 words
AN ELECTRICAL DEVICE FOR CONTROLLING A FLOW OF ELECTRIC CURRENT, SAID DEVICE INCLUDING A SEALED ENVELOPE AND A PAIR OF SOLID METAL MAIN ELECTRODES RESPECTIVELY HAVING SURFACES WITHIN THE ENVELOPE BETWEEN WHICH THE CURRENT TO BE CONTROLLED PASSES IN OPERATION OF THE DEVICE AND BETWEEN WHICH AN ARC MAY BE FORMED IN NORMAL OPERATION OF THE DEVICE, AT LEAST ONE OF SAID PAIR OF MAIN ELECTRODES, WHICH ACTS AS A CATHODE IN OPERATION OF THE DEVICE, CONTAINING HYDROGEN WHICH, UPON INITIATION OF A DISCHARGE BETWEEN SAID PAIR OF MAIN ELECTRODES, IS LIBERATED FROM SAID CATHODE MORE READILY THAN THE BASIC MATERIAL OF SAID CATHODE, SAID HYDROGEN WHEN LIBERATED BEING CAPABLE OF BEING IONISED TO PROVIDE AN ARC OF HIGH CONDUCTANCE BETWEEN SAID PAIR OF MAIN ELECTRODES SO THAT THE ARC IS SUPPORTED BY THE HYDROGEN LIBERATED FROM THE CATHODE RATHER THAN THE BASIC MATERIAL OF THE CATHODE.
References Cited (Backward Citations)
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US2793314A
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US2919368A
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US3087092A
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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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |