Patent US3260891A successfully refreshed from Google Patents.
US3260891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated transistorized ignition control system
Assignee: Judson and Judson
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Filing: 1964-04-01
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Granted: 1966-07-12
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Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 William H Judson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:43
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/02; F02P3/04; F02P3/0407; F02P3/0435; F02P3/055; F02P3/0552; F02P7/00; F02P7/02; F02P7/021; F02P7/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN AN IGNITION SYSTEM FOR INTERNAL COMBUSTION ENGINES HAVING A ROTARY DISTRIBUTOR COMMUNICATING SEQUENTIALLY WITH A PLURALITY OF SPARK PLUGS AND A BATTERY COUPLED TO POINTS OF SAID DISTRIBUTOR; AN INTEGRALLY PACKAGED ELECTRONIC CONTROL UNIT COMPRISING A COIL HAVING PRIMARY AND SECONDARY WINDINGS, A TRANSISTOR HAVING A BASE, A COLLECTOR, AND EMITTER ELECTRODES, A CONDENSER HAVING ONE PLATE COUPLED TO SAID EMITTER ELECTRODE, A REVERSE BIASED DIODE CONNECTED ACROSS SAID COLLECTOR AND EMITTER ELECTRODE, A DIODE COUPLED ACROSS SAID BASE AND SAID EMITTER ELECTRODES, AND A RESISTOR HAVING ONE END CONNECTED TO SAID BASE, THE OTHER END OF SAID RESISTOR BEING COUPLED TO ONE END OF SAID COIL PRIMARY AND BEING FURTHER COUPLED TO ONE BATTERY TERMINAL, THE
Claim 2
Dependent Claim
118 words
IN AN IGNITION SYSTEM FOR INTERNAL COMBUSTION ENGINES HAVING A ROTARY DISTRIBUTOR COMMUNICATING SEQUENTIALLY WITH A PLURALITY OF SPARK PLUGS AND A BATTERY COUPLED TO POINTS OF SAID DISTRIBUTOR; AN INTEGRALLY PACKAGED ELECTRONIC CONTROL UNIT COMPRISING A COIL HAVING PRIMARY AND SECONDARY WINDINGS, A TRANSISTOR HAVING A BASE, A COLLECTOR, AND EMITTER ELECTRODES, A CONDENSER HAVING ONE PLATE COUPLED TO SAID EMITTER ELECTRODE, A REVERSE BIASED DIODE CONNECTED ACROSS SAID COLLECTOR AND EMITTER ELECTRODE, A DIODE COUPLED ACROSS SAID BASE AND SAID EMITTER ELECTRODES, AND A RESISTOR HAVING ONE END CONNECTED TO SAID BASE, THE OTHER END OF SAID RESISTOR BEING COUPLED TO ONE END OF SAID COIL PRIMARY AND BEING FURTHER COUPLED TO ONE BATTERY TERMINAL, THE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |