US3350602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous-discharge device having a trigger electrode and a light producing spark gap to facilitate breakdown between the trigger electrode and one of the principal electrodes
Assignee: Revvity Inc
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Filing: 1965-02-11
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Granted: 1967-10-31
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Expires: 1985-02-11
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Germeshausen
- 👤 John L Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:31
CPC Classifications
H; H01; H01T; H01T1/00; H01J; H01J17/00; H01J17/38; H01J17/40; H01J17/44; H01J2893/00; H01J2893/0064; H01J2893/0065; H01J2893/0068
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A GASEOUS-DISCHARGE DEVICE COMPRISING: A GAS-FILLED ENVELOPE; A PAIR OF PRINCIPAL ELECTRODES SPACED FROM EACH OTHER WITHIN THE ENVELOPE AND CONNECTED TO A SOURCE OF POTENTIAL NORMALLY INEFFECTIVE TO PRODUCE A DISCHARGE THEREBETWEEN; A TRIGGER ELECTRODE DISPOSED ADJACENT THE SPACE BETWEEN THE PRINCIPAL ELECTRODES FOR IONIZING THE GASEOUS MEDIUM THEREBETWEEN IN RESPONSE TO THE APPLICATION THERETO OF A TRIGGERING IMPULSE; A LIGHT-PRODUCING TWO-ELECTRODE SPARK GAP DISPOSED REMOTE FROM SAID SPACE BETWEEN THE PRINCIPAL ELECTRODES WHERE THE LIGHT, EMITTED WHEN THE SPARK GAP IS ENERGIZED, IS DIRECTED TO IMPINGE UPON ONE OF SAID PAIR OF PRINCIPAL ELECTRODES TO FACILITATE BREAKDOWN BETWEEN THE TRIGGER ELECTRODE AND SAID ONE OF THE PRINCIPAL ELECTRODES; AND
Claim 2
Dependent Claim
111 words
A GASEOUS-DISCHARGE DEVICE COMPRISING: A GAS-FILLED ENVELOPE; A PAIR OF PRINCIPAL ELECTRODES SPACED FROM EACH OTHER WITHIN THE ENVELOPE AND CONNECTED TO A SOURCE OF POTENTIAL NORMALLY INEFFECTIVE TO PRODUCE A DISCHARGE THEREBETWEEN; A TRIGGER ELECTRODE DISPOSED ADJACENT THE SPACE BETWEEN THE PRINCIPAL ELECTRODES FOR IONIZING THE GASEOUS MEDIUM THEREBETWEEN IN RESPONSE TO THE APPLICATION THERETO OF A TRIGGERING IMPULSE; A LIGHT-PRODUCING TWO-ELECTRODE SPARK GAP DISPOSED REMOTE FROM SAID SPACE BETWEEN THE PRINCIPAL ELECTRODES WHERE THE LIGHT, EMITTED WHEN THE SPARK GAP IS ENERGIZED, IS DIRECTED TO IMPINGE UPON ONE OF SAID PAIR OF PRINCIPAL ELECTRODES TO FACILITATE BREAKDOWN BETWEEN THE TRIGGER ELECTRODE AND SAID ONE OF THE PRINCIPAL ELECTRODES; AND
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |