Patent US3260299A successfully refreshed from Google Patents.
US3260299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor ignition system
Assignee: —
•
Filing: —
•
Granted: 1966-07-12
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Expires: 1983-07-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:58
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/02; F23D14/04; F23D14/06; F02; F02P; F02P3/00; F02P3/01; F02P9/00; F02P9/002; F02P9/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A SEMI-CONDUCTOR IGNITION SYSTEM COMPRISING: FIRST AND SECOND SEMI-CONDUCTORS EACH HAVING OUTPUT, CONTROL, AND COMMON ELECTRODE, SAID COMMON ELECTRODES BEING INTER-CONNECTED AND RETURNED TO A POINT OF FIXED POTENTIAL; A SOURCE OF POTENTIAL A TRANSFORMER INCLUDING AT LEAST A FIRST, A SECOND, AND A THIRD WINDING AND A MAGNETIC CORE, SAID FIRST WINDING BEING CONNECTED BETWEEN SAID CONTROL ELECTRODES, SAID SECOND WINDING BEING CONNECTED BETWEEN SAID OUTPUT ELECTRODES; MEANS INCLUDING AT LEAST A PORTION OF SAID SECOND WINDING INTER-CONNECTING SAID OUTPUT ELECTRODES AND SAID SOURCE OF POTENTIAL; STARTING MEANS INCLUDING A PAIR OF IMPEDANCE ELEMENTS CONNECTED IN SERIES ACROSS SAID SOURCE;
Claim 2
Dependent Claim
101 words
A SEMI-CONDUCTOR IGNITION SYSTEM COMPRISING: FIRST AND SECOND SEMI-CONDUCTORS EACH HAVING OUTPUT, CONTROL, AND COMMON ELECTRODE, SAID COMMON ELECTRODES BEING INTER-CONNECTED AND RETURNED TO A POINT OF FIXED POTENTIAL; A SOURCE OF POTENTIAL A TRANSFORMER INCLUDING AT LEAST A FIRST, A SECOND, AND A THIRD WINDING AND A MAGNETIC CORE, SAID FIRST WINDING BEING CONNECTED BETWEEN SAID CONTROL ELECTRODES, SAID SECOND WINDING BEING CONNECTED BETWEEN SAID OUTPUT ELECTRODES; MEANS INCLUDING AT LEAST A PORTION OF SAID SECOND WINDING INTER-CONNECTING SAID OUTPUT ELECTRODES AND SAID SOURCE OF POTENTIAL; STARTING MEANS INCLUDING A PAIR OF IMPEDANCE ELEMENTS CONNECTED IN SERIES ACROSS SAID SOURCE;
References Cited (Backward Citations)
US2976461A
Cited
US3035108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |