Patent US3259118A successfully refreshed from Google Patents.
US3259118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine ignition system
Assignee: Individual
•
Filing: 1963-03-18
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Granted: 1966-07-05
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 William Y Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:49
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/02; F02P3/04; F02P3/055; F02P3/0552
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
123 words
IN AN ENGINE IGNITION SYSTEM HAVING A TIMING SWITCH MEANS ARRANGED TO OPERATE IN SYNCHRONISM WITH THE OPERATION OF AN ASSOCIATED ENGINE, THE COMBINATION OF; A SATURATED CORE TRANSFORMED HAVING PRIMARY AND SECONDARY WINDINGS CONNECTED IN SERIES; A SERIES RESONANT CIRCUIT COMPRISING A CAPACITOR AND THE SECONDARY WINDING OF THE SATURABLE CORE TRANSFORMER; OUTPUT MEANS COUPLED TO THE SERIES CIRCUIT FOR DEVELOPING A VOLTAGE SIGNAL IN RESPONSE TO CHANGING CURRENT FLOW IN THE SERIES CIRCUIT; A DIRECT SIGNAL SOURCE; AND NORMALLY OPEN INPUT SWITCHING MEANS COUPLED TO THE DIRECT SIGNAL SOURCE AND THE SERIES CIRCUIT FOR MOMENTARILY CLOSING IN RESPONSE TO THE OPERATION OF THE TIMING SWITCH MEANS TO COUPLE THE DIRECT SIGNAL SOURCE ACROSS THE PRIMARY WINDING OF THE SATURABLE CORE TRANSFORMER.
References Cited (Backward Citations)
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Cited
US2651005A
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US2896123A
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US2894161A
Cited
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US3087090A
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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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |