US3337751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated circuitry including scr and field-effect structure
Assignee: Individual
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Filing: 1965-01-29
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Granted: 1967-08-22
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Expires: 1985-01-29
Abstract
No abstract record available.
Inventors
- 👤 Melvin H Poston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:59
CPC Classifications
H; H10; H10D; H10D18/00; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/73; H10D18/251; H10D84/00; H10D84/40; H10D84/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
AN ON-OFF CONTROL CIRCUIT FOR AN ELECTRONIC VALVE COMPRISING: AN ELECTRONIC VALVE MEANS HAVING A SILICON CONTROL RECTIFIER RESPONSE CURVE HAVING AN INPUT CONTROL ELECTRODE AND AN OUTPUT TERMINAL; AND MEANS HAVING A SINGLE INPUT AND A SINGLE OUTPUT AND BEING RESPONSIVE TO SUCCESSIVE PULSES OF THE SAME POLARITY TO TURN SAID VALVE MEANS TO THE ON AND OFF CONDITION CONNECTED TO SAID VALVE FOR CONTROLLING THE ON-OFF CONDITION OF SAID ELECTRONIC VALVE MEANS, SAID LAST NAME MEANS HAVING ITS OUTPUT CONNECTED TO SAID INPUT CONTROL ELECTRODE OF SAID ELECTRIC VALVE MEANS, SAID MEANS HAVING A SINGLE INPUT TERMINAL FOR RECEIVING CONTROL PULSES WHEREBY THE OUTPUT OF SAID VALVE MEANS IS CHANGED FROM AN ON OR OFF CONDITION.
Claim 2
Dependent Claim
118 words
AN ON-OFF CONTROL CIRCUIT FOR AN ELECTRONIC VALVE COMPRISING: AN ELECTRONIC VALVE MEANS HAVING A SILICON CONTROL RECTIFIER RESPONSE CURVE HAVING AN INPUT CONTROL ELECTRODE AND AN OUTPUT TERMINAL; AND MEANS HAVING A SINGLE INPUT AND A SINGLE OUTPUT AND BEING RESPONSIVE TO SUCCESSIVE PULSES OF THE SAME POLARITY TO TURN SAID VALVE MEANS TO THE ON AND OFF CONDITION CONNECTED TO SAID VALVE FOR CONTROLLING THE ON-OFF CONDITION OF SAID ELECTRONIC VALVE MEANS, SAID LAST NAME MEANS HAVING ITS OUTPUT CONNECTED TO SAID INPUT CONTROL ELECTRODE OF SAID ELECTRIC VALVE MEANS, SAID MEANS HAVING A SINGLE INPUT TERMINAL FOR RECEIVING CONTROL PULSES WHEREBY THE OUTPUT OF SAID VALVE MEANS IS CHANGED FROM AN ON OR OFF CONDITION.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |