US3217266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable high frequency amplifier
Assignee: Intron International Inc
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Filing: 1962-03-15
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Granted: 1965-11-09
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Expires: 1982-03-15
Abstract
No abstract record available.
Inventors
- 👤 Robert H Pintell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:25
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/60; H03F1/00; H03F1/08; H03F1/18; H03F1/20; H03F3/20; H03F3/21; H03F3/217; H03F3/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
AN AMPLIFIER FOR THE OUTPUT OF A SOURCE OF PERIODIC SIGNALS, COMPRISING A SWITCHING CIRCUIT WITH A PAIR OF ELECTRONIC AMPLIFIER DEVICES EACH HAVING A PAIR OF MAIN ELECTRODES AND A CONTROL ELECTRODE, INPUT MEANS CONNECTING THE CONTROL ELECTRODES OF SAID DEVICES IN PUSH-PULL TO SAID SOURCE, A SUPPLY OF DIRECT-CURRENT ENERGY FOR SAID DEVICES CONNECTED ACROSS SAID MAIN ELECTRODES THEREOF, INDUCTIVE REACTANCE MEANS IN SERIES WITH SAID SUPPLY, AND AN OUTPUT CIRCUIT INCLUDING A HIGH-Q PARALLEL-RESONANT NETWORK CONNECTED IN SHUNT WITH THE SERIES COMBINATION OF SAID SUPPLY AND SAID REACTANCE MEANS BETWEEN CORRESPONDING MAIN ELECTRODES OF SAID DEVICES FOR ALTERNATELY TURNING EACH DEVICE ON AND OFF BY IMPRESSING UPON SAID MAIN ELECTRODES THEREOF AN OVERRIDING ALTERNATING VOLTAGE DUE TO REACTIVE CURRENTS CIRCULATING IN SAID PARALLEL-
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |