US3303835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel ignition system preventing radio frequency interference
Assignee: Individual
•
Filing: 1965-10-22
•
Granted: 1967-02-14
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 James R Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:34
CPC Classifications
F; F02; F02P; F02P7/00; F02P7/02; F02P7/021; F02P7/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN AN IGNITION SYSTEM FOR A MULTI-CYLINDER INTERNAL COMBUSTION ENGINE, A DISTRIBUTOR HOUSING FOR CONNECTION WITH THE CRANKCASE OF THE ENGINE, A SHAFT JOURNALED IN SAID HOUSING AND CONNECTABLE WITH THE CAMSHAFT OF THE ENGINE FOR ROTATION IN UNISON THEREWITH, A BREAKER CAM AND A DISTRIBUTOR ARM FIXED WITH SAID SHAFT FOR ROTATION AS A UNIT THEREWITH, NORMALLY-CLOSED BREAKER POINTS IN SAID HOUSING AND PERIODICALLY OPENED BY AND IN RESPONSE TO ROTATION OF SAID CAM, A PLURALITY OF TERMINAL SEGMENTS CARRIED BY SAID HOUSING IN ANGULARLY-SPACED RELATION ABOUT THE AXIS OF SAID SHAFT FOR CONTACT IN SUCCESSION BY SAID ARM, A SOLID STATE SWITCHING DEVICE COMPRISING AN ANODE, GROUNDED CATHODE, AND CONTROL GATE, A RESISTOR CONNECTED BETWEEN SAID ANODE AND GATE, A GROUND CONNECTION BETWEEN SAID
Claim 2
Dependent Claim
126 words
IN AN IGNITION SYSTEM FOR A MULTI-CYLINDER INTERNAL COMBUSTION ENGINE, A DISTRIBUTOR HOUSING FOR CONNECTION WITH THE CRANKCASE OF THE ENGINE, A SHAFT JOURNALED IN SAID HOUSING AND CONNECTABLE WITH THE CAMSHAFT OF THE ENGINE FOR ROTATION IN UNISON THEREWITH, A BREAKER CAM AND A DISTRIBUTOR ARM FIXED WITH SAID SHAFT FOR ROTATION AS A UNIT THEREWITH, NORMALLY-CLOSED BREAKER POINTS IN SAID HOUSING AND PERIODICALLY OPENED BY AND IN RESPONSE TO ROTATION OF SAID CAM, A PLURALITY OF TERMINAL SEGMENTS CARRIED BY SAID HOUSING IN ANGULARLY-SPACED RELATION ABOUT THE AXIS OF SAID SHAFT FOR CONTACT IN SUCCESSION BY SAID ARM, A SOLID STATE SWITCHING DEVICE COMPRISING AN ANODE, GROUNDED CATHODE, AND CONTROL GATE, A RESISTOR CONNECTED BETWEEN SAID ANODE AND GATE, A GROUND CONNECTION BETWEEN SAID
References Cited (Backward Citations)
US2203579A
Cited
US2497307A
Cited
US2876270A
Cited
US2940014A
Cited
US3049642A
Cited
US3032683A
Cited
US3056066A
Cited
US3169212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |