US3318296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic apparatus
Assignee: Motorola Solutions Inc
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Filing: 1965-02-01
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Granted: 1967-05-09
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Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Hufton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:33
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/06; F02P3/08; F02P3/0876; F02P3/0884
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
AN IGNITION SYSTEM OF THE CAPACITOR DISCHARGE TYPE, FOR AN INTERNAL COMBUSTION ENGINE, INCLUDING IN COMBINATION, A FIRING CIRCUIT INCLUDING AN IGNITION CAPACITOR AND MEANS FOR DISCHARGING THE SAME IN SYNCHRONISM WITH THE ENGINE TO PRODUCE FIRING PULSES, CHARGING MEANS COUPLED TO SAID IGNITION CAPACITOR FOR CHARGING THE SAME BETWEEN DISCHARGES, SAID CHARGING MEANS INCLUDING SATURABLE OSCILLATOR MEANS OPERATIVE TO PROVIDE A SINGLE CHARGING PULSE TO SAID IGNITION CAPACITOR UPON THE APPLICATION OF A TRIGGER PULSE TO SAID OSCILLATOR MEANS, AND MEANS COUPLING THE IGNITION CAPACITOR TO SAID OSCILLATOR MEANS SO THAT THE REVERSE VOLTAGE DEVELOPED ACROSS SAID IGNITION CAPACITOR IS APPLIED AS A TRIGGER PULSE TO SAID OSCILLATOR MEANS TO INITIATE OPERATION OF SAID OSCILLATOR MEANS TO RECHARGE SAID IGNITION CAPACITOR.
Claim 2
Dependent Claim
122 words
AN IGNITION SYSTEM OF THE CAPACITOR DISCHARGE TYPE, FOR AN INTERNAL COMBUSTION ENGINE, INCLUDING IN COMBINATION, A FIRING CIRCUIT INCLUDING AN IGNITION CAPACITOR AND MEANS FOR DISCHARGING THE SAME IN SYNCHRONISM WITH THE ENGINE TO PRODUCE FIRING PULSES, CHARGING MEANS COUPLED TO SAID IGNITION CAPACITOR FOR CHARGING THE SAME BETWEEN DISCHARGES, SAID CHARGING MEANS INCLUDING SATURABLE OSCILLATOR MEANS OPERATIVE TO PROVIDE A SINGLE CHARGING PULSE TO SAID IGNITION CAPACITOR UPON THE APPLICATION OF A TRIGGER PULSE TO SAID OSCILLATOR MEANS, AND MEANS COUPLING THE IGNITION CAPACITOR TO SAID OSCILLATOR MEANS SO THAT THE REVERSE VOLTAGE DEVELOPED ACROSS SAID IGNITION CAPACITOR IS APPLIED AS A TRIGGER PULSE TO SAID OSCILLATOR MEANS TO INITIATE OPERATION OF SAID OSCILLATOR MEANS TO RECHARGE SAID IGNITION CAPACITOR.
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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |