Patent US3599637A successfully refreshed from Google Patents.
US3392352A
Expired / Lapsed
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Time delay circuit
Assignee: Dickson Electronics Corp
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Filing: 1965-12-28
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Granted: 1968-07-09
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Expires: 1985-12-28
Abstract
No abstract record available.
Inventors
- 👤 Richard L White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:56
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/353
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A TIME DELAY CIRCUIT COMPRISING: A FIRST AND A SECOND TERMINAL; GATING MEANS HAVING A CONTROL ELECTRODE, AN INPUT ELECTRODE, AND AN OUTPUT ELECTRODE; MEANS CONNECTING SAID INPUT ELECTRODE TO SAID FIRST TERMINAL AND SAID OUPUT ELECTRODE TO SAID SECOND TERMINAL; A VOLTAGE CONTROL DEVICE HAVING AN INPUT ELECTRODE, AN OUTPUT ELECTRODE, AND A CONTROL ELECTRODE, SAID INPUT ELECTRODE CONNECTED TO SAID FIRST TERMINAL; A CAPACITOR HAVING ONE ELECTRODE CONNECTED TO THE CONTROL ELECTRODE OF SAID VOLTAGE CONTROL DEVICE AND ANOTHER ELECTRODE CONNECTED TO SAID SECOND TERMINAL; A CHARGING RESISTOR CONNECTED BETWEEN THE CONTROL ELECTRODE OF SAID VOLTAGE CONTROL DEVICE AND THE OUTPUT ELECTRODE OF SAID VOLTAGE CONTROL DEVICE; AND MEANS CONNECTED TO THE OUTPUT ELECTRODE OF SAID VOLTAGE CONTROL DEVICE, TO THE CONTROL ELECTRODE OF SAID GATING MEANS, AND TO SAID SECOND TERMINAL RESPONSIVE TO THE VOLTAGE ON SAID CAPACITOR FOR GATING SAID GATING MEANS.
Claim 2
Dependent Claim
146 words
A TIME DELAY CIRCUIT COMPRISING: A FIRST AND A SECOND TERMINAL; GATING MEANS HAVING A CONTROL ELECTRODE, AN INPUT ELECTRODE, AND AN OUTPUT ELECTRODE; MEANS CONNECTING SAID INPUT ELECTRODE TO SAID FIRST TERMINAL AND SAID OUPUT ELECTRODE TO SAID SECOND TERMINAL; A VOLTAGE CONTROL DEVICE HAVING AN INPUT ELECTRODE, AN OUTPUT ELECTRODE, AND A CONTROL ELECTRODE, SAID INPUT ELECTRODE CONNECTED TO SAID FIRST TERMINAL; A CAPACITOR HAVING ONE ELECTRODE CONNECTED TO THE CONTROL ELECTRODE OF SAID VOLTAGE CONTROL DEVICE AND ANOTHER ELECTRODE CONNECTED TO SAID SECOND TERMINAL; A CHARGING RESISTOR CONNECTED BETWEEN THE CONTROL ELECTRODE OF SAID VOLTAGE CONTROL DEVICE AND THE OUTPUT ELECTRODE OF SAID VOLTAGE CONTROL DEVICE; AND MEANS CONNECTED TO THE OUTPUT ELECTRODE OF SAID VOLTAGE CONTROL DEVICE, TO THE CONTROL ELECTRODE OF SAID GATING MEANS, AND TO SAID SECOND TERMINAL RESPONSIVE TO THE VOLTAGE ON SAID CAPACITOR FOR GATING SAID GATING MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |