US3259849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplifiers with delayed turn-on
Assignee: Lockheed Martin Corp
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Filing: 1962-07-25
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Granted: 1966-07-05
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Expires: 1982-07-25
Abstract
No abstract record available.
Inventors
- 👤 Richard L Willett
- 👤 Richard F Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:54
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/34; H03G3/348; H03F; H03F1/00; H03F1/30; H03F1/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN ELECTRONIC CIRCUIT COMPRISING: A SOURCE OF OPERATING POTENTIAL ADAPTED TO BE TURNED ON AND OFF; A TRANSISTOR HAVING AT LEAST THREE ELECTRODES AND CONNECTED TO OPERATE FROM SAID SOURCE AS AN AMPLIFIER; MEANS INCLUDING FILTER MEANS CONNECTED TO AN OUTPUT ELECTRODE OF SAID TRANSISTOR FOR DEVELOPING A SUBSTANTIALLY D.C. CONTROL VOLTAGE AND FOR FEEDING SAID CONTROL VOLTAGE BACK TO ONE ELECTRODE OF SAID TRANSISTOR; A CAPACITOR; SAID FILTER MEANS INCLUDING SAID CAPACITOR; AN IMPEDANCE CONNECTED IN SERIES WITH SAID CAPACITOR AND FORMING THEREWITH A CHARGING NETWORK; SAID ONE ELECTRODE BEING CONNECTED TO SAID CHARGING NETWORK AT A POINT BETWEEN SAID CAPACITOR AND SAID IMPEDANCE; AND
Claim 2
Dependent Claim
106 words
AN ELECTRONIC CIRCUIT COMPRISING: A SOURCE OF OPERATING POTENTIAL ADAPTED TO BE TURNED ON AND OFF; A TRANSISTOR HAVING AT LEAST THREE ELECTRODES AND CONNECTED TO OPERATE FROM SAID SOURCE AS AN AMPLIFIER; MEANS INCLUDING FILTER MEANS CONNECTED TO AN OUTPUT ELECTRODE OF SAID TRANSISTOR FOR DEVELOPING A SUBSTANTIALLY D.C. CONTROL VOLTAGE AND FOR FEEDING SAID CONTROL VOLTAGE BACK TO ONE ELECTRODE OF SAID TRANSISTOR; A CAPACITOR; SAID FILTER MEANS INCLUDING SAID CAPACITOR; AN IMPEDANCE CONNECTED IN SERIES WITH SAID CAPACITOR AND FORMING THEREWITH A CHARGING NETWORK; SAID ONE ELECTRODE BEING CONNECTED TO SAID CHARGING NETWORK AT A POINT BETWEEN SAID CAPACITOR AND SAID IMPEDANCE; AND
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |