US2983592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel gas mixers for internal combustion engines
Assignee: J and S Carburetor Co
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Filing: 1959-12-03
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Granted: 1961-05-09
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Expires: 1979-12-03
Abstract
No abstract record available.
Inventors
- 👤 Sam P Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:15
CPC Classifications
F; F02; F02M; F02M21/00; F02M21/02; F02M21/04; F02M21/047; F02M21/0218; F02M21/023; F02M21/0239; F02M35/00; F02M35/02; F02M35/024; F02M35/02475; F02M35/02483; F02M35/04; F02M35/042; F02B; F02B43/00; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30; Y10; Y10S; Y10S55/00; Y10S55/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A FUEL MIXER FOR INTERNAL COMBUSTION ENGINES HAVING AN AIR INTAKE STACK WITH A THROTTLE VALVE THEREIN, THE MIXER INCLUDING, A MIXER HOUSING, A VENTURI IN THE HOUSING HAVING AN INLET AND AN OUTLET AND A THROAT THEREBETWEEN, A GASEOUS FUEL INLET TO THE THROAT OF THE VENTURI, A DIAPHRAGM UNIT CONSTRUCTED AND ARRANGED TO CLOSE THE INLET OF THE VENTURI, THE OUTLET OF THE VENTURI COMMUNICATING WITH THE AIR INTAKE STACK, MEANS FOR URGING THE DIAPHRAGM UNIT TOWARD THE INLET OF THE VENTURI TO CLOSE THE SAME, THE INLET OF THE VENTURI AND THAT SIDE OF THE DIAPHRAGM UNIT FACING THE VENTURI BEING EXPOSED TO ATMOSPHERE, MEANS FORMING A CHAMBER WITH THE OPPOSITE SIDE OF THE DIAPHRAGM UNIT, MEANS FOR PLACING THE CHAMBER IN COMMUNICATION WITH THE AIR INTAKE STACK ON THE SIDE OF THE THROTTLE VALVE OPPOSIDE THE SIDE THEREOF EXPOSED TO THE VENTURI OUTLET, AND MEANS FOR EXPOSING THE CHAMBER TO THE INTERIOR OF THE VENTURI.
Claim 2
Dependent Claim
159 words
A FUEL MIXER FOR INTERNAL COMBUSTION ENGINES HAVING AN AIR INTAKE STACK WITH A THROTTLE VALVE THEREIN, THE MIXER INCLUDING, A MIXER HOUSING, A VENTURI IN THE HOUSING HAVING AN INLET AND AN OUTLET AND A THROAT THEREBETWEEN, A GASEOUS FUEL INLET TO THE THROAT OF THE VENTURI, A DIAPHRAGM UNIT CONSTRUCTED AND ARRANGED TO CLOSE THE INLET OF THE VENTURI, THE OUTLET OF THE VENTURI COMMUNICATING WITH THE AIR INTAKE STACK, MEANS FOR URGING THE DIAPHRAGM UNIT TOWARD THE INLET OF THE VENTURI TO CLOSE THE SAME, THE INLET OF THE VENTURI AND THAT SIDE OF THE DIAPHRAGM UNIT FACING THE VENTURI BEING EXPOSED TO ATMOSPHERE, MEANS FORMING A CHAMBER WITH THE OPPOSITE SIDE OF THE DIAPHRAGM UNIT, MEANS FOR PLACING THE CHAMBER IN COMMUNICATION WITH THE AIR INTAKE STACK ON THE SIDE OF THE THROTTLE VALVE OPPOSIDE THE SIDE THEREOF EXPOSED TO THE VENTURI OUTLET, AND MEANS FOR EXPOSING THE CHAMBER TO THE INTERIOR OF THE VENTURI.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |