Patent US3301242A successfully refreshed from Google Patents.
US3301242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition timing device
Assignee: Motors Liquidation Co
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Filing: 1964-08-13
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Granted: 1967-01-31
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Expires: 1984-08-13
Abstract
No abstract record available.
Inventors
- 👤 Candelise Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:04
CPC Classifications
F; F02; F02P; F02P5/00; F02P5/04; F02P5/05; F02P5/14; F02P5/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN IGNITION TIMING CONTROL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE HAVING A THROTTLE WHICH CONTROLS THE AMOUNT OF COMBUSTIBLE MIXTURE SUPPLIED TO SAID ENGINE COMPRISING, A DISTRIBUTOR, CONTROL MEANS CONNECTED WITH SAID DISTRIBUTOR FOR CONTROLLING THE IGNITION TIMING OF SAID ENGINE IN ACCORDANCE WITH THE POSITION OF SAID THROTTLE, SAID CONTROL MEANS CAUSING RETARDING OF IGNITION TIMING WHEN SAID THROTTLE IS IN ENGINE IDLING POSITION AND ADVANCING OF IGNITION TIMING WHEN SAID THROTTLE IS OPENED BEYOND ENGINE IDLING POSITION, SAID CONTROL MEANS BEING CONNECTED WITH AN ENGINE TEMPERATURE SENSITIVE MEANS, SAID TEMPERATURE SENSITIVE MEANS CAUSING ADVANCING OF IGNITION TIMING DESPITE SAID THROTTLE BEING IN ENGINE IDLING POSITION WHEN THE TEMPERATURE OF SAID ENGINE EXCEEDS A PREDETERMINED VALUE APPROACHING THE SAFE UPPER LIMIT OF NORMAL OPERATING TEMPERATURES.
Claim 2
Dependent Claim
126 words
AN IGNITION TIMING CONTROL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE HAVING A THROTTLE WHICH CONTROLS THE AMOUNT OF COMBUSTIBLE MIXTURE SUPPLIED TO SAID ENGINE COMPRISING, A DISTRIBUTOR, CONTROL MEANS CONNECTED WITH SAID DISTRIBUTOR FOR CONTROLLING THE IGNITION TIMING OF SAID ENGINE IN ACCORDANCE WITH THE POSITION OF SAID THROTTLE, SAID CONTROL MEANS CAUSING RETARDING OF IGNITION TIMING WHEN SAID THROTTLE IS IN ENGINE IDLING POSITION AND ADVANCING OF IGNITION TIMING WHEN SAID THROTTLE IS OPENED BEYOND ENGINE IDLING POSITION, SAID CONTROL MEANS BEING CONNECTED WITH AN ENGINE TEMPERATURE SENSITIVE MEANS, SAID TEMPERATURE SENSITIVE MEANS CAUSING ADVANCING OF IGNITION TIMING DESPITE SAID THROTTLE BEING IN ENGINE IDLING POSITION WHEN THE TEMPERATURE OF SAID ENGINE EXCEEDS A PREDETERMINED VALUE APPROACHING THE SAFE UPPER LIMIT OF NORMAL OPERATING TEMPERATURES.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |