US3408536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breakerless oscillator ignition system
Assignee: Individual
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Filing: 1966-09-20
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Granted: 1968-10-29
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Expires: 1986-09-20
Abstract
No abstract record available.
Inventors
- 👤 Oscar F Tibbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:17
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/02; F02P3/04; F02P3/0407; F02P3/0435; F02P3/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A CONVERTER DEVICE ADAPTED FOR USE IN THE IGNITION SYSTEM FOR A SPARK IGNITED INTERNAL COMBUSTION ENGINE FOR CHANGING DIRECT ELECTRICAL CURRENT TO PULSATING DC CURRENT COMPRISING: A CONVERTER TRANSFORMER MEANS HAVING AT LEAST A FIRST PRIMARY WINDING AND AT LEAST FIRST AND SECOND INDUCTIVELY COUPLED SECONDARY WINDINGS, AN OSCILLATOR MEANS INCLUDING AT LEAST ONE ALTERNATELY CONDUCTING AND NONCONDUCTING AMPLIFIER MEANS HAVING FIRST AND SECOND POWER CIRCUIT ELECTRODES AND A CONTROL ELECTRODE, A CAPACITOR MEANS CONNECTED IN PARALLEL ACROSS THE POWER CIRCUIT ELECTRODES, AND A CONTROL MEANS FOR CONTROLLING THE VOLTAGE AT THE CONTROL ELECTRODE, SAID FIRST PRIMARY WINDING HAVING ONE END CONNECTED TO SAID FIRST POWER CIRCUIT ELECTRODE AND HAVING ITS OTHER END ADAPTED TO BE CONNECTED TO A SOURCE OF ELECTRICAL ENERGY, THE OTHER POWER CIRCUIT ELECTRODE BEING CONNECTED TO GROUND, SAID FIRST SECONDARY WINDING HAVING ONE END CONNECTED TO THE SAID FIRST POWER CIRCUIT ELECTRODE THROUGH A CAPACITOR MEANS, AND SAID SECOND SECONDARY WINDING BEING AN OUTPUT WINDING AND HAVING ONE END ADAPTED TO DELIVER PULSATING DC CURRENT FROM SAID CONVERTER, SAID FIRST AND SECOND SECONDARY WINDING BEING CONNECTED AT THEIR OTHER ENDS TO GROUND.
Claim 2
Dependent Claim
188 words
A CONVERTER DEVICE ADAPTED FOR USE IN THE IGNITION SYSTEM FOR A SPARK IGNITED INTERNAL COMBUSTION ENGINE FOR CHANGING DIRECT ELECTRICAL CURRENT TO PULSATING DC CURRENT COMPRISING: A CONVERTER TRANSFORMER MEANS HAVING AT LEAST A FIRST PRIMARY WINDING AND AT LEAST FIRST AND SECOND INDUCTIVELY COUPLED SECONDARY WINDINGS, AN OSCILLATOR MEANS INCLUDING AT LEAST ONE ALTERNATELY CONDUCTING AND NONCONDUCTING AMPLIFIER MEANS HAVING FIRST AND SECOND POWER CIRCUIT ELECTRODES AND A CONTROL ELECTRODE, A CAPACITOR MEANS CONNECTED IN PARALLEL ACROSS THE POWER CIRCUIT ELECTRODES, AND A CONTROL MEANS FOR CONTROLLING THE VOLTAGE AT THE CONTROL ELECTRODE, SAID FIRST PRIMARY WINDING HAVING ONE END CONNECTED TO SAID FIRST POWER CIRCUIT ELECTRODE AND HAVING ITS OTHER END ADAPTED TO BE CONNECTED TO A SOURCE OF ELECTRICAL ENERGY, THE OTHER POWER CIRCUIT ELECTRODE BEING CONNECTED TO GROUND, SAID FIRST SECONDARY WINDING HAVING ONE END CONNECTED TO THE SAID FIRST POWER CIRCUIT ELECTRODE THROUGH A CAPACITOR MEANS, AND SAID SECOND SECONDARY WINDING BEING AN OUTPUT WINDING AND HAVING ONE END ADAPTED TO DELIVER PULSATING DC CURRENT FROM SAID CONVERTER, SAID FIRST AND SECOND SECONDARY WINDING BEING CONNECTED AT THEIR OTHER ENDS TO GROUND.
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) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |