US2760068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillatory networks
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1951-04-28
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Granted: 1956-08-21
•
Expires: 1971-04-28
Abstract
No abstract record available.
Inventors
- 👤 Frank J Feagin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:30
CPC Classifications
H; H03; H03H; H03H2/00; H03H2/005; H03H2/006; H03B; H03B5/00; H03B5/08; H03B5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A SELF-SUSTAINING OSCILLATOR SYSTEM COMPRISING AN ELECTRON DISCHARGE AMPLIFIER HAVING MEANS FOR APPLYING OPERATING POTENTIALS THERETO AND MEANS FOR COUPLING A PORTION OF THE OUTPUT ENERGY FROM SAID AMPLIFIER INTO THE INPUT THEREOF SUFFICIENT TO SUSTAIN OSCILLATION IN SAID SYSTEM, SAID COUPLING MEANS INCLUDING A RESONANT, FREQUENCYCONTROLLING NETWORK HAVING TWO PARALLEL BRANCHES, ONE OF SAID BRANCHES BEING A NET INDUCTIVE REACTANCE FORMED BY A FIRST CAPACITOR CONNECTED IN SERIES WITH AN INDUCTOR AND THE OTHER OF SAID BRANCHES BEING A CAPACITOR, THE IMPROVEMENT COMPRISING AT LEAST A SECOND CAPACITOR, THE IMPROVEMENT COMPRISING MEANS FOR CONNECTING AN OUTPUT LOAD BETWEEN TWO SPACED POINTS ALONG SAID INDUCTIVE REACTANCE BRANCH, A FIRST OF SAID POINTS BEING DEFINED BY THE JUNCTION BETWEEN SAID FIRST AND SECOND CAPACITORS AND THE SECOND OF SAID POINTS BEING ON SAID INDUCTOR SUBSTANTIALLY AT A CRITICAL POINT DEFINED APPROXIMATELY BY THE EXPRESSION
Claim 2
Dependent Claim
144 words
IN A SELF-SUSTAINING OSCILLATOR SYSTEM COMPRISING AN ELECTRON DISCHARGE AMPLIFIER HAVING MEANS FOR APPLYING OPERATING POTENTIALS THERETO AND MEANS FOR COUPLING A PORTION OF THE OUTPUT ENERGY FROM SAID AMPLIFIER INTO THE INPUT THEREOF SUFFICIENT TO SUSTAIN OSCILLATION IN SAID SYSTEM, SAID COUPLING MEANS INCLUDING A RESONANT, FREQUENCYCONTROLLING NETWORK HAVING TWO PARALLEL BRANCHES, ONE OF SAID BRANCHES BEING A NET INDUCTIVE REACTANCE FORMED BY A FIRST CAPACITOR CONNECTED IN SERIES WITH AN INDUCTOR AND THE OTHER OF SAID BRANCHES BEING A CAPACITOR, THE IMPROVEMENT COMPRISING AT LEAST A SECOND CAPACITOR, THE IMPROVEMENT COMPRISING MEANS FOR CONNECTING AN OUTPUT LOAD BETWEEN TWO SPACED POINTS ALONG SAID INDUCTIVE REACTANCE BRANCH, A FIRST OF SAID POINTS BEING DEFINED BY THE JUNCTION BETWEEN SAID FIRST AND SECOND CAPACITORS AND THE SECOND OF SAID POINTS BEING ON SAID INDUCTOR SUBSTANTIALLY AT A CRITICAL POINT DEFINED APPROXIMATELY BY THE EXPRESSION
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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) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |