Patent US3231250A successfully refreshed from Google Patents.
US3231250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: ACF Industries Inc
•
Filing: 1962-08-30
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Granted: 1966-01-25
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Expires: 1982-08-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph E Kalert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:00
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/44; F02M17/48; F02M17/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
A CARBURETOR COMPRISING A FUEL BOWL, A COVER ON THE BOWL, A TUBE CONSTITUTING A MIXTURE CONDUIT EXTENDING ACROSS THE COVER ON TOP OF THE COVER, AN UPPER STUD FORMED INTEGRALLY WITH THE COVER EXTENDING UPWARD FROM THE COVER THROUGH HOLES IN THE TUBE WALL AT TOP AND BOTTOM, MEANS ON THE UPPER END OF SAID UPPER STUD HOLDING THE TUBE IN ASSEMBLY WITH THE COVER, SAID UPPER STUD PROVIDING A PORTION OF RESTRICTED CROSS SECTIONAL AREA IN THE TUBE CONSTITUTING A MAIN VENTURI, SAID UPPER STUD HAVING AN OPENING THERETHROUGH EXTENDING LENGTHWISE IN RELATION TO THE TUBE CONSTITUTING A BOOST VENTURI, A LOWER STUD EXTENDING DOWN FROM THE COVER GENERALLY IN LINE WITH THE UPPER STUD TO THE BOTTOM OF THE BOWL, SAID LOWER STUD HAVING A RECESS EXTENDING UP FROM ITS LOWER END, SCREW MEANS THREADED IN THE LOWER END OF SAID RECESS IN SAID LOWER STUD THROUGH A HOLE IN THE BOTTOM OF THE BOWL AND HOLDING THE BOWL AND COVER IN ASSEMBLY, THE PORTION OF SAID RECESS IN SAID LOWER STUD ABOVE SAID SCREW MEANS CONSTITUTING A FUEL WELL, A FUEL TUBE EXTENDING DOWN FROM SAID BOOST VENTURI INTO SAID FUEL WELL, SAID SCREW MEANS BEING FORMED FOR FLOW OF FUEL FORM THE BOWL TO SAID FUEL WELL, A THROTTLE IN SAID TUBE DOWNSTREAM FROM SAID
Claim 2
Dependent Claim
220 words
A CARBURETOR COMPRISING A FUEL BOWL, A COVER ON THE BOWL, A TUBE CONSTITUTING A MIXTURE CONDUIT EXTENDING ACROSS THE COVER ON TOP OF THE COVER, AN UPPER STUD FORMED INTEGRALLY WITH THE COVER EXTENDING UPWARD FROM THE COVER THROUGH HOLES IN THE TUBE WALL AT TOP AND BOTTOM, MEANS ON THE UPPER END OF SAID UPPER STUD HOLDING THE TUBE IN ASSEMBLY WITH THE COVER, SAID UPPER STUD PROVIDING A PORTION OF RESTRICTED CROSS SECTIONAL AREA IN THE TUBE CONSTITUTING A MAIN VENTURI, SAID UPPER STUD HAVING AN OPENING THERETHROUGH EXTENDING LENGTHWISE IN RELATION TO THE TUBE CONSTITUTING A BOOST VENTURI, A LOWER STUD EXTENDING DOWN FROM THE COVER GENERALLY IN LINE WITH THE UPPER STUD TO THE BOTTOM OF THE BOWL, SAID LOWER STUD HAVING A RECESS EXTENDING UP FROM ITS LOWER END, SCREW MEANS THREADED IN THE LOWER END OF SAID RECESS IN SAID LOWER STUD THROUGH A HOLE IN THE BOTTOM OF THE BOWL AND HOLDING THE BOWL AND COVER IN ASSEMBLY, THE PORTION OF SAID RECESS IN SAID LOWER STUD ABOVE SAID SCREW MEANS CONSTITUTING A FUEL WELL, A FUEL TUBE EXTENDING DOWN FROM SAID BOOST VENTURI INTO SAID FUEL WELL, SAID SCREW MEANS BEING FORMED FOR FLOW OF FUEL FORM THE BOWL TO SAID FUEL WELL, A THROTTLE IN SAID TUBE DOWNSTREAM FROM SAID
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |