US3149620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corona ignition device
Assignee: Motors Liquidation Co
•
Filing: 1963-02-18
•
Granted: 1964-09-22
•
Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 Roy S Cataldo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:02
CPC Classifications
F; F02; F02P; F02P9/00; F02P9/002; F02P9/007; F02P3/00; F02P3/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN COMBINATION WITH A RECIPROCATING INTERNAL COMBUSTION ENGINE: CONDUCTIVE MEANS FORMING A COMBUSTION CHAMBER OF PREDETERMINED GEOMETRY; AN ELONGATED CYLINDRICAL ELECTRODE OF UNIFORM CROSSSECTION EXTENDING SUBSTANTIALLY THROUGH THE COMBUSTION CHAMBER; MEANS TO APPLY A VOLTAGE PULSE ACROSS THE ELECTRODE; THE PREDETERMINED GEOMETRY OF THE CHAMBER BEING SUCH THAT A NON-UNIFORM FIELD IS PRODUCED BETWEEN THE ELECTRODE AND THE CHAMBER WHEN A VOLTAGE PULSE IS APPLIED WHEREBY A CORONA DISCHARGE OCCURS UNIFORMLY ABOUT THE ELECTRODE.
Claim 2
Dependent Claim
74 words
IN COMBINATION WITH A RECIPROCATING INTERNAL COMBUSTION ENGINE: CONDUCTIVE MEANS FORMING A COMBUSTION CHAMBER OF PREDETERMINED GEOMETRY; AN ELONGATED CYLINDRICAL ELECTRODE OF UNIFORM CROSSSECTION EXTENDING SUBSTANTIALLY THROUGH THE COMBUSTION CHAMBER; MEANS TO APPLY A VOLTAGE PULSE ACROSS THE ELECTRODE; THE PREDETERMINED GEOMETRY OF THE CHAMBER BEING SUCH THAT A NON-UNIFORM FIELD IS PRODUCED BETWEEN THE ELECTRODE AND THE CHAMBER WHEN A VOLTAGE PULSE IS APPLIED WHEREBY A CORONA DISCHARGE OCCURS UNIFORMLY ABOUT THE ELECTRODE.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |