Patent US3281132A successfully refreshed from Google Patents.
US3281132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: Individual
•
Filing: 1965-08-23
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Granted: 1966-10-25
•
Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Llewellyn T Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:05
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/14; F02M9/00; F02M9/12; F02M9/127; Y; Y10; Y10S; Y10S261/00; Y10S261/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A CARBURETOR COMPRISING A BODY, AN AIR VALVE MOVABLY DISPOSED IN SAID BODY, SAID AIR VALVE HAVING A FUEL PASSAGE THERETHROUGH, A METERING NEEDLE DISPOSED IN SAID PASSAGE, FIRST MEANS MOUNTING SAID AIR VALVE IN SAID BODY AND SECOND MEANS MOUNTING SAID METERING NEEDLE IN SAID BODY FOR PROGRESSIVELY MOVING SAID NEEDLE RELATIVE TO SAID AIR VALVE IN RESPONSE TO MOVEMENT OF SAID AIR VALVE SUCH THAT THE RATE OF FUEL FLOW INCREASES AND DECREASES AT SUBSTANTIALLY THE SAME RATIO AS THE RATE OF AIR FLOW INCREASES AND DECREASES, SAID SECOND MEANS INCLUDING MEANS MOUNTING SAID METERING NEEDLE FOR ADJUSTABLE MOVEMENT WITH RESPECT TO SAID AIR VALVE BETWEEN A FIRST POSITION IN WHICH SAID NEEDLE MOVES WITH SAID AIR VALVE AND WITHOUT MOVEMENT RELATIVE TO SAID AIR VALVE AND A SECOND POSITION IN WHICH SAID NEEDLE MOVES WITH SAID AIR VALVE AND HAS A MAXIMUM MOVEMENT WITH RESPECT TO SAID AIR VALVE.
Claim 2
Dependent Claim
152 words
A CARBURETOR COMPRISING A BODY, AN AIR VALVE MOVABLY DISPOSED IN SAID BODY, SAID AIR VALVE HAVING A FUEL PASSAGE THERETHROUGH, A METERING NEEDLE DISPOSED IN SAID PASSAGE, FIRST MEANS MOUNTING SAID AIR VALVE IN SAID BODY AND SECOND MEANS MOUNTING SAID METERING NEEDLE IN SAID BODY FOR PROGRESSIVELY MOVING SAID NEEDLE RELATIVE TO SAID AIR VALVE IN RESPONSE TO MOVEMENT OF SAID AIR VALVE SUCH THAT THE RATE OF FUEL FLOW INCREASES AND DECREASES AT SUBSTANTIALLY THE SAME RATIO AS THE RATE OF AIR FLOW INCREASES AND DECREASES, SAID SECOND MEANS INCLUDING MEANS MOUNTING SAID METERING NEEDLE FOR ADJUSTABLE MOVEMENT WITH RESPECT TO SAID AIR VALVE BETWEEN A FIRST POSITION IN WHICH SAID NEEDLE MOVES WITH SAID AIR VALVE AND WITHOUT MOVEMENT RELATIVE TO SAID AIR VALVE AND A SECOND POSITION IN WHICH SAID NEEDLE MOVES WITH SAID AIR VALVE AND HAS A MAXIMUM MOVEMENT WITH RESPECT TO SAID AIR VALVE.
References Cited (Backward Citations)
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US1737184A
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |