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US3361952A Expired / Lapsed US ⏱️ 0.0 years remaining

Driven inverter circuit

Assignee: AT&T Inc
•
Filing: 1966-04-11
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Granted: 1968-01-02
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Expires: 1986-04-11
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Abstract

No abstract record available.

Inventors

  • 👤 John D Bishop

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 19:00
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/538; H02M7/5381

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 128 words
A POWER INVERTER CIRCUIT COMPRISING A SOURCE OF INPUT POTENTIAL, A PAIR OF TRANSISTORS EACH HAVING INPUT, OUTPUT AND COMMON ELECTRODES, SIGNAL MEANS COUPLED TO SAID INPUT AND COMMON ELECTRODES TO RENDER EACH TRANSISTOR ALTERNATELY CONDUCTIVE, A LOAD COUPLED TO SAID SOURCE OF INPUT POTENTIAL THROUGH THE OUTPUT ELECTRODES OF EACH ALTENATELY CONDUCTING TRANSISTOR, A CHARGE STORAGE DIODE INDIVIDUALLY CONNECTED ACROSS THE INPUT AND COMMON ELECTRODE OF EACH TRANSISTOR AND POLED TO RENDER SAID TRANSISTOR NONCONDUCTIVE WHEN SAID DIODE IS PASSING CURRENT IN ITS FORWARD DIRECTION, AND SWITCHING MEANS COUPLED TO SAID SIGNAL MEANS FOR SIMULTANEOUSLY DIVERTING ENERGY FROM SAID TRANSISTOR INPUT ELECTRODES AND CONNECTING SAID DIODES IN PARALLEL TO EFFECT AN ENERGY TRANSFER FROM A PREVIOUSLY CONDUCTING DIODE TO THE INPUT-COMMON ELECTRODES OF A PREVIOUSLY CONDUCTING TRANSISTOR.

References Cited (Backward Citations)

US3183430A Cited
US3119972A Cited
US3157842A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-01 1971-07-03 1972-01-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-01 1975-07-03 1976-01-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-01 1979-07-03 1980-01-02 $7700.00 Window Closed / Lapsed

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