Patent US423441A successfully refreshed from Google Patents.
US3290542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triggered vacuum discharge device
Assignee: General Electric Co
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Filing: 1963-07-26
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Granted: 1966-12-06
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Expires: 1983-07-26
Abstract
No abstract record available.
Inventors
- 👤 James M Lafferty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:18
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/40; H01J21/00; H01J2893/00; H01J2893/0059
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A LOW INDUCTANCE TRIGGERED VACUUM DISCHARGE DEVICE COMPRISING: (A) AN EVACUATED, HERMETICALLY SEALED ENVELOPE; (B) PRIMARY DISCHARGE MEANS LYING WITHIN SAID ENVELOPE COMPRISING CONCENTRIC, COPLANAR PRIMARY DISCHARGE ELECTRODES WHEREIN THE INNERMOST OF SAID ELECTRODES IS COMPLETELY ENCLOSED WITHIN THE VOLUME DEFINED BY THE OUTERMOST OF SAID ELECTRODES AND DEFINING A PRIMARY GAP THEREBETWEEN, SAID ELECTRODES COMPRISING, (C1) A RING ELECTRODE, AND (C2) A DISC ELECTRODE POSITIONED COMPLETELY WITHIN SAID RING ELECTRODE; (C) TERMINAL CONNECTORS MOUNTED OUTSIDE SAID ENVELOPE AND ELECTRICALLY CONNECTED TO SAID ELECTRODES; (D) TRIGGER MEANS POSITIONED ADJACENT SAID PRIMARY GAP FOR INJECTING CHARGED PARTICLES INTO SAID PRIMARY GAP; AND (E) MEANS FOR APPLYING A VOLTAGE TO SAID PRIMARY ELECTRODES FOR INITIATING A DISCHARGE THEREBETWEEN UPON INJECTION OF SAID CHARGED PARTICLES.
Claim 2
Dependent Claim
122 words
A LOW INDUCTANCE TRIGGERED VACUUM DISCHARGE DEVICE COMPRISING: (A) AN EVACUATED, HERMETICALLY SEALED ENVELOPE; (B) PRIMARY DISCHARGE MEANS LYING WITHIN SAID ENVELOPE COMPRISING CONCENTRIC, COPLANAR PRIMARY DISCHARGE ELECTRODES WHEREIN THE INNERMOST OF SAID ELECTRODES IS COMPLETELY ENCLOSED WITHIN THE VOLUME DEFINED BY THE OUTERMOST OF SAID ELECTRODES AND DEFINING A PRIMARY GAP THEREBETWEEN, SAID ELECTRODES COMPRISING, (C1) A RING ELECTRODE, AND (C2) A DISC ELECTRODE POSITIONED COMPLETELY WITHIN SAID RING ELECTRODE; (C) TERMINAL CONNECTORS MOUNTED OUTSIDE SAID ENVELOPE AND ELECTRICALLY CONNECTED TO SAID ELECTRODES; (D) TRIGGER MEANS POSITIONED ADJACENT SAID PRIMARY GAP FOR INJECTING CHARGED PARTICLES INTO SAID PRIMARY GAP; AND (E) MEANS FOR APPLYING A VOLTAGE TO SAID PRIMARY ELECTRODES FOR INITIATING A DISCHARGE THEREBETWEEN UPON INJECTION OF SAID CHARGED PARTICLES.
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |