US3287590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric spark gap with insulation which maintains its high insulative character throughout its operation
Assignee: European Atomic Energy Community Euratom
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Filing: 1962-10-16
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Granted: 1966-11-22
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Expires: 1982-10-16
Abstract
No abstract record available.
Inventors
- 👤 Andre Thierry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:25
CPC Classifications
H; H01; H01J; H01J21/00; H01J17/00; H01T; H01T4/00; H01T4/10; H01T4/12; H01J2893/00; H01J2893/0059
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AN ELECTRIC SPARK-GAP WITH INSULATION WHICH MAINTAINS ITS RESISTANCE TO THE PASSAGE OF ELECTRIC CURRENT, COMPRISING: A FIRST ELECTRODE; AND INSULATING PLATE SURROUNDING SAID FIRST ELECTRODE AND EXTENDING RADIALLY OUTWARDLY THEREFROM; AND A SECOND ELECTRODE SPACED FROM SAID FIRST ELECTRODE, SAID INSULATING PLATE BEING FORMED OF A VAPORIZABLE MATERIAL SUCH THAT A FINE SURFACE LAYER THEREOF IN THE VICINITY ADJACENT TO SAID FIRST ELECTRODE WILL BE VAPORIZED UNDER THE ACTION OF HEAT GENERATED BY AN ELECTRIC DISCHARGE BETWEEN THE TWO ELECTRODES AND SAID VAPOR WILL BE BLOWN FROM SAID VICINITY TOGETHER WITH ANY FOREIGN MATTERN TORN FROM SAID TWO ELECTRODES DURING SAID ELECTRIC DISCHARGE BY THE PRESSURE RESULTING FROM SAID ELECTRIC DISCHARGE WHEREBY THE SURFACE OF SAID INSULATING PLATE IS SCOURED CLEAN IN SAID VICINITY.
Claim 2
Dependent Claim
125 words
AN ELECTRIC SPARK-GAP WITH INSULATION WHICH MAINTAINS ITS RESISTANCE TO THE PASSAGE OF ELECTRIC CURRENT, COMPRISING: A FIRST ELECTRODE; AND INSULATING PLATE SURROUNDING SAID FIRST ELECTRODE AND EXTENDING RADIALLY OUTWARDLY THEREFROM; AND A SECOND ELECTRODE SPACED FROM SAID FIRST ELECTRODE, SAID INSULATING PLATE BEING FORMED OF A VAPORIZABLE MATERIAL SUCH THAT A FINE SURFACE LAYER THEREOF IN THE VICINITY ADJACENT TO SAID FIRST ELECTRODE WILL BE VAPORIZED UNDER THE ACTION OF HEAT GENERATED BY AN ELECTRIC DISCHARGE BETWEEN THE TWO ELECTRODES AND SAID VAPOR WILL BE BLOWN FROM SAID VICINITY TOGETHER WITH ANY FOREIGN MATTERN TORN FROM SAID TWO ELECTRODES DURING SAID ELECTRIC DISCHARGE BY THE PRESSURE RESULTING FROM SAID ELECTRIC DISCHARGE WHEREBY THE SURFACE OF SAID INSULATING PLATE IS SCOURED CLEAN IN SAID VICINITY.
References Cited (Backward Citations)
US1969992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |