Patent US3398322A successfully refreshed from Google Patents.
US3398322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage switch
Assignee: United States Department of the Air Force
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Filing: 1964-09-17
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Granted: 1968-08-20
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Expires: 1984-09-17
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Guenther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:44
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/30; H01J21/00; H01J2893/00; H01J2893/0059
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A SWITCH FOR HIGH DIRECT VOLTAGES COMPRISING A PAIR OF TERMINALS FOR CONNECTING SAID WHICH INTO AN ELECTRICAL CIRCUIT, A PAIR OF SPACED ELECTRODES CONNECTED TO SAID TERMINALS AND FORMING A SPARK GAP, THE SPACING OF SAID GAP BEING SUCH THAT ITS SELF-BREAKDOWN VOLTAGE IS SLIGHTLY GREATER THAN THE SWITCH VOLTAGE, A LASER OF THE TYPE PRODUCING A PULSE OF COHERENT LIGHT OF VERY HIGH POWER AND VERY SHORT DURATION, AND AN OPTICAL SYSTEM FOR BRINGING EQUAL AMOUNTS OF THE LIGHT PRODUCED BY SAID LASER TO FOCUS AT DIFFERENT POINTS IN SAID GAP, SAID FOCAL POINTS LYING ON THE LINE OF MINIMUM DISTANCE BETWEEN SAID ELECTRODES AND THE POINT NEAREST THE NEGATIVE ELECTRODE BEING SEPARATED THEREFROM BY A DISTANCE LYING IN THE RANGE OF ZERO TO A SMALL FRACTION OF THE MINIMUM GAP SPACING.
Claim 2
Dependent Claim
134 words
A SWITCH FOR HIGH DIRECT VOLTAGES COMPRISING A PAIR OF TERMINALS FOR CONNECTING SAID WHICH INTO AN ELECTRICAL CIRCUIT, A PAIR OF SPACED ELECTRODES CONNECTED TO SAID TERMINALS AND FORMING A SPARK GAP, THE SPACING OF SAID GAP BEING SUCH THAT ITS SELF-BREAKDOWN VOLTAGE IS SLIGHTLY GREATER THAN THE SWITCH VOLTAGE, A LASER OF THE TYPE PRODUCING A PULSE OF COHERENT LIGHT OF VERY HIGH POWER AND VERY SHORT DURATION, AND AN OPTICAL SYSTEM FOR BRINGING EQUAL AMOUNTS OF THE LIGHT PRODUCED BY SAID LASER TO FOCUS AT DIFFERENT POINTS IN SAID GAP, SAID FOCAL POINTS LYING ON THE LINE OF MINIMUM DISTANCE BETWEEN SAID ELECTRODES AND THE POINT NEAREST THE NEGATIVE ELECTRODE BEING SEPARATED THEREFROM BY A DISTANCE LYING IN THE RANGE OF ZERO TO A SMALL FRACTION OF THE MINIMUM GAP SPACING.
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) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |