Patent US3357876A successfully refreshed from Google Patents.
US3087092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas generating switching tube
Assignee: General Electric Co
•
Filing: 1961-05-10
•
Granted: 1963-04-23
•
Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 James M Lafferty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:58
CPC Classifications
H; H01; H01J; H01J21/00; H01H; H01H1/00; H01H1/02; H01J17/00; H01J17/38; H01J17/40; H01J19/00; H01J19/42; H01J2893/00; H01J2893/0059
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN ELECTRIC DISCHARGE DEVICE ADAPTED TO CHANGE FROM A NON-CONDUCTING CONDITION TO A CONDUCTING CONDITION WITH THE APPLICATION OF A PULSED SIGNAL THERETO AND COMPRISING: AN HERMETICALLY SEALED ENVELOPE EVACUATED TO A PRESSURE OF 10-5 MM. HG OR LESS; FIRST AND SECOND PRIMARY ELECTRODES WITHIN SAID ENVELOPE SPACED APART TO FORM A GAP THEREBETWEEN; MEANS FOR CONNECTING SAID ELECTRODES TO A VOLTAGE SOURCE TO CAUSE AN ELECTRIC FIELD TO EXIST IN THE REGION OF SAID GAP; AND MEANS FOR INJECTING A CONCENTRATION OF CHARGED CONDUCTION CARRIERS INTO SAID GAP IN RESPONSE TO A PULSED SIGNAL INDEPENDENT OF THE VOLTAGE CONNECTED BETWEEN SAID PRIMARY ELECTRODES TO CAUSE SAID GAP TO BREAK DOWN AND THEREBY RENDER SAID DEVICE CONDUCTING.
Claim 2
Dependent Claim
117 words
AN ELECTRIC DISCHARGE DEVICE ADAPTED TO CHANGE FROM A NON-CONDUCTING CONDITION TO A CONDUCTING CONDITION WITH THE APPLICATION OF A PULSED SIGNAL THERETO AND COMPRISING: AN HERMETICALLY SEALED ENVELOPE EVACUATED TO A PRESSURE OF 10-5 MM. HG OR LESS; FIRST AND SECOND PRIMARY ELECTRODES WITHIN SAID ENVELOPE SPACED APART TO FORM A GAP THEREBETWEEN; MEANS FOR CONNECTING SAID ELECTRODES TO A VOLTAGE SOURCE TO CAUSE AN ELECTRIC FIELD TO EXIST IN THE REGION OF SAID GAP; AND MEANS FOR INJECTING A CONCENTRATION OF CHARGED CONDUCTION CARRIERS INTO SAID GAP IN RESPONSE TO A PULSED SIGNAL INDEPENDENT OF THE VOLTAGE CONNECTED BETWEEN SAID PRIMARY ELECTRODES TO CAUSE SAID GAP TO BREAK DOWN AND THEREBY RENDER SAID DEVICE CONDUCTING.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |