Patent US3606873A successfully refreshed from Google Patents.
US3606873A
Expired / Lapsed
US
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Igniting system for diesel engine starting
Assignee: Motors Liquidation Co
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Filing: 1970-05-01
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Granted: 1971-09-21
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Expires: 1990-05-01
Abstract
Abstract AN IGNITING SYSTEM IS PROVIDED IN A DIESEL ENGINE WHEREIN A SPARK IGNITION CIRCUIT INCLUDING A SPARK PLUG MOUNTED IN ONE OF THE ENGINE COMBUSTION CHAMBERS ASSISTS STARTING BY SPARK IGNITION. AFTER NORMAL COMPRESSION IGNITION IS ESTABLISHED, THE IGNITION CIRCUIT IS DEACTIVATED BY A SEMICONDUCTOR SWITCH. THE SEMICONDUCTOR SWITCH IS CONTROLLED IN RESPONSE TO IONIZATION OF COMBUSTION CHAMBER GASES WHICH NORMALLY OCCURS AS THE ENGINE IS RUNNING.
Inventors
- 👤 Gustav F Rademacher
- 👤 Donald R Van Uum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:01
CPC Classifications
F; F02; F02N; F02N99/00; F02N99/002; F02B; F02B1/00; F02B1/12; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 0
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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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |