US3081360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition systems for internal combustion engines
Assignee: ECONOMY ENGINE Co
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Filing: 1959-11-12
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Granted: 1963-03-12
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Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Frank J Kaehni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:21
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/02; F02P3/04; F02P3/0407; F02P3/0435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AN IGNITION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE HAVING A PLURALITY OF CYLINDERS PROVIDING A PLURALITY OF COMBUSTION CHAMBERS AND PISTONS RECIPROCATING IN SAID CYLINDERS, COMPRISING AN IGNITION CHAMBER FOR EACH CYLINDER, EACH IGNITION CHAMBER COMMUNICATING WITH THE COMBUSTION CHAMBER OF A CYLINDER, A PAIR OF PERMANENTLY SPACED ELECTRODES WITHIN EACH IGNITION CHAMBER AND SPACED FROM THE COMMUNICATING COMBUSTION CHAMBER, A SOURCE OF HIGH POTENTIAL CURRENT, AND ELECTRICAL CONDUCTORS DIRECTLY CONNECTING ALL OF SAID PAIRS OF ELECTRODES IN SERIES WITH EACH OTHER TO SAID SOURCE OF HIGH POTENTIAL CURRENT.
Claim 2
Dependent Claim
89 words
AN IGNITION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE HAVING A PLURALITY OF CYLINDERS PROVIDING A PLURALITY OF COMBUSTION CHAMBERS AND PISTONS RECIPROCATING IN SAID CYLINDERS, COMPRISING AN IGNITION CHAMBER FOR EACH CYLINDER, EACH IGNITION CHAMBER COMMUNICATING WITH THE COMBUSTION CHAMBER OF A CYLINDER, A PAIR OF PERMANENTLY SPACED ELECTRODES WITHIN EACH IGNITION CHAMBER AND SPACED FROM THE COMMUNICATING COMBUSTION CHAMBER, A SOURCE OF HIGH POTENTIAL CURRENT, AND ELECTRICAL CONDUCTORS DIRECTLY CONNECTING ALL OF SAID PAIRS OF ELECTRODES IN SERIES WITH EACH OTHER TO SAID SOURCE OF HIGH POTENTIAL CURRENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |