US3079560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single transistor glow tube trigger
Assignee: General Dynamics Corp
•
Filing: 1959-04-30
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Granted: 1963-02-26
•
Expires: 1979-04-30
Abstract
No abstract record available.
Inventors
- 👤 Glenn L Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:57
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A TRIGGER CIRCUIT COMPRISING AN AMPLIFYING ELEMENT HAVING AN INPUT ELECTRODE, AN OUTPUT ELECTRODE AND A CONTROL ELECTRODE FOR CONTROLLING THE CURRENT, FLOW BETWEEN SAID INPUT ELECTRODE AND SAID OUTPUT ELECTRODE, A BREAKDOWN DEVICE HAVING TWO TERMINALS AND REQUIRING A RELATIVELY HIGH VOLTAGE ACROSS SAID TERMINALS TO CAUSE SAID DEVICE TO CONDUCT, REQUIRING A LOWER VOLTAGE ACROSS SAID TERMINALS TO MAINTAIN CONDUCTION THROUGH SAID DEVICE AND REQUIRING A STILL LOWER VOLTAGE ACROSS SAID TERMINALS TO EXTINGUISH CURRENT FLOW THROUGH SAID DEVICE, MEANS RESPONSIVE TO THE INITIATION OF CURRENT FLOW WITHIN SAID AMPLIFYING DEVICE BETWEEN SAID INPUT ELECTRODE AND SAID OUTPUT
Claim 2
Dependent Claim
100 words
A TRIGGER CIRCUIT COMPRISING AN AMPLIFYING ELEMENT HAVING AN INPUT ELECTRODE, AN OUTPUT ELECTRODE AND A CONTROL ELECTRODE FOR CONTROLLING THE CURRENT, FLOW BETWEEN SAID INPUT ELECTRODE AND SAID OUTPUT ELECTRODE, A BREAKDOWN DEVICE HAVING TWO TERMINALS AND REQUIRING A RELATIVELY HIGH VOLTAGE ACROSS SAID TERMINALS TO CAUSE SAID DEVICE TO CONDUCT, REQUIRING A LOWER VOLTAGE ACROSS SAID TERMINALS TO MAINTAIN CONDUCTION THROUGH SAID DEVICE AND REQUIRING A STILL LOWER VOLTAGE ACROSS SAID TERMINALS TO EXTINGUISH CURRENT FLOW THROUGH SAID DEVICE, MEANS RESPONSIVE TO THE INITIATION OF CURRENT FLOW WITHIN SAID AMPLIFYING DEVICE BETWEEN SAID INPUT ELECTRODE AND SAID OUTPUT
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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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |