US3171467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor control
Assignee: Individual
•
Filing: 1962-07-03
•
Granted: 1965-03-02
•
Expires: 1982-07-03
Abstract
No abstract record available.
Inventors
- 👤 Robert R Featherston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:18
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/02; F02M17/06; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/5762
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A VEHICLE HAVING AN INTERNAL COMBUSTION ENGINE AND A FLOAT CONTROLLED CARBURETOR BOWL WITH A FUEL OUTLET THOUGH A SIDE WALL THEREOF, THE IMPROVEMENT WHICH COMPRISES A STANDPIPE IN THE BOWL OF SAID CARBURETOR HAVING AN INLET MOUNTED ABOVE THE FUEL OUTLET OF THE CARBURETOR BOWL WHEN SAID VEHICLE IS LEVEL AND IN CLOSE PROXIMITY TO SAID WALL HAVING THE FUEL OUTLET, A FUEL RETURN LINE INTERCONNECTED WITH SAID STANDPIPE AND ARRANGED TO DRAIN OVERFLOWING FUEL FROM THE BOWL INTO THE FUEL SUPPLY OF SAID VEHICLE, AND MEANS MOUNTING SAID STANDPIPE IN A PREDETERMINED POSITION.
Claim 2
Dependent Claim
96 words
IN A VEHICLE HAVING AN INTERNAL COMBUSTION ENGINE AND A FLOAT CONTROLLED CARBURETOR BOWL WITH A FUEL OUTLET THOUGH A SIDE WALL THEREOF, THE IMPROVEMENT WHICH COMPRISES A STANDPIPE IN THE BOWL OF SAID CARBURETOR HAVING AN INLET MOUNTED ABOVE THE FUEL OUTLET OF THE CARBURETOR BOWL WHEN SAID VEHICLE IS LEVEL AND IN CLOSE PROXIMITY TO SAID WALL HAVING THE FUEL OUTLET, A FUEL RETURN LINE INTERCONNECTED WITH SAID STANDPIPE AND ARRANGED TO DRAIN OVERFLOWING FUEL FROM THE BOWL INTO THE FUEL SUPPLY OF SAID VEHICLE, AND MEANS MOUNTING SAID STANDPIPE IN A PREDETERMINED POSITION.
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |