US3290019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel and air mixing device for internal combustion engine
Assignee: Individual
•
Filing: 1964-04-24
•
Granted: 1966-12-06
•
Expires: 1984-04-24
Abstract
No abstract record available.
Inventors
- 👤 Ducharme Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:38
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/44; F02M5/00; F02M5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A LIQUID FUEL AND AIR MIXING DEVICE FOR AN INTERNAL COMBUSTION ENGINE HAVING A CARBURATOR PROVIDED WITH A GENERALLY TUBULAR THROTTLING SECTION INTO WHICH A THROTTLING VALVE IS OPERATIVELY MOUNTED AND A PARTIALLY FILLED FUEL RESERVOIR, SAID DEVICE COMPRISING: (A) A NETWORK OF CRISS-CROSS INTERCONNECTED TUBES, SAID NETWORK HAVING OPPOSED ENDS; (B) AN AIR INLET, AT ONE END OF SAID NETWORK, CONNECTED TO SAID RESERVOIR, ABOVE THE FUEL THEREIN; (C) A LIQUID FUEL INLET, AT THE SAID ONE END OF SAID NETWORK AND SEPARATE FROM SAID AIR INLET, CONNECTED TO SAID RESERVOIR INTO SAID FUEL, AND (D) AN AIR AND LIQUID FUEL MIXTURE OUTLET AT THE OTHER END OF SID NETWORK AND CONNECTED TO SAID CARBURTOR TO OPEN BELOW SAID THROTTLING VALVE.
Claim 2
Dependent Claim
122 words
A LIQUID FUEL AND AIR MIXING DEVICE FOR AN INTERNAL COMBUSTION ENGINE HAVING A CARBURATOR PROVIDED WITH A GENERALLY TUBULAR THROTTLING SECTION INTO WHICH A THROTTLING VALVE IS OPERATIVELY MOUNTED AND A PARTIALLY FILLED FUEL RESERVOIR, SAID DEVICE COMPRISING: (A) A NETWORK OF CRISS-CROSS INTERCONNECTED TUBES, SAID NETWORK HAVING OPPOSED ENDS; (B) AN AIR INLET, AT ONE END OF SAID NETWORK, CONNECTED TO SAID RESERVOIR, ABOVE THE FUEL THEREIN; (C) A LIQUID FUEL INLET, AT THE SAID ONE END OF SAID NETWORK AND SEPARATE FROM SAID AIR INLET, CONNECTED TO SAID RESERVOIR INTO SAID FUEL, AND (D) AN AIR AND LIQUID FUEL MIXTURE OUTLET AT THE OTHER END OF SID NETWORK AND CONNECTED TO SAID CARBURTOR TO OPEN BELOW SAID THROTTLING VALVE.
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |