USRE27108E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cm o cm
Assignee: —
•
Filing: 1969-11-12
•
Granted: 1971-03-30
•
Expires: 1989-11-12
Abstract
Abstract THE FLOW OF FUEL TO AN INTERNAL COMBUSTION ENGINE IS CONTROLLED TO PROVIDE A SAFETY SHUT DOWN OF THE ENGINE IN RESPONSE TO MALFUNCTION OF THE ENGINE OR AN ACCESSORY DEVICE DRIVEN BY THE ENGINE. A SOLENOID OPERATED VALVE IS CONNECTED IN THE FUEL SUPPLY SYSTEM AND HAS ITS OPERATING COIL ADAPTED TO BE ENERGIZED BY AN ELECTRONIC SENSING CIRCUIT WHICH MONITORS OPERATION OF THE ENGINE OR THE ACCESSORY DEVICE.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:40
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/08; F02D; F02D41/00; F02D41/22; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/40
Claims Analysis
Total Claims: 0
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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) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |