Patent US3086757A successfully refreshed from Google Patents.
US3086757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: ACF Industries Inc
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Filing: 1960-01-05
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Granted: 1963-04-23
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Expires: 1980-01-05
Abstract
No abstract record available.
Inventors
- 👤 Robert J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:22
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/44; F02M17/48; F02M7/00; F02M7/06; F02M7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A CARBURETOR COMPRISING A FUEL BOWL, A MIXTURE CONDUIT, A THROTTLE VALVE IN SAID MIXTURE CONDUIT, A STEM EXTENDING FROM SAID MIXTURE CONDUIT INTO SAID FUEL BOWL AND HAVING A MAIN FUEL CHAMBER, A PASSAGE IN SAID STEM CONNECTING SAID FUEL BOWL AND SAID MAIN FUEL CHAMBER TO SAID MIXTURE CONDUIT, AN ACCELERATING PUMP COMPRISING A PUMP CHAMBER, A PUMP MEMBER MOVABLE TO EXPAND AND CONTRACT THE PUMP CHAMBER, MEANS FORMING AN INLET PASSAGE FOR SUPPLYING FUEL FROM SAID BOWL TO SAID PUMP CHAMBER AND A DISCHARGE PASSAGE FROM SAID PUMP CHAMBER TO SAID MAIN FUEL CHAMBER, A DISCHARGE CHECK VALVE WITHIN SAID DISCHARGE PASSAGE, A LINKAGE INTERCONNECTING SAID THROTTLE VALVE AND SAID MOVABLE PUMP MEMBER FOR OPERATING SAID MOVABLE PUMP MEMBER TO PUMP FUEL IN RESPONSE TO OPENING MOVEMENT OF SAID THROTTLE VALVE, SAID LINKAGE INCLUDING A RESILIENT LEVER TO PROVIDE OVERTRAVEL OF SAID LEVER IN THROTTLE OPENING DIRECTION.
Claim 2
Dependent Claim
150 words
A CARBURETOR COMPRISING A FUEL BOWL, A MIXTURE CONDUIT, A THROTTLE VALVE IN SAID MIXTURE CONDUIT, A STEM EXTENDING FROM SAID MIXTURE CONDUIT INTO SAID FUEL BOWL AND HAVING A MAIN FUEL CHAMBER, A PASSAGE IN SAID STEM CONNECTING SAID FUEL BOWL AND SAID MAIN FUEL CHAMBER TO SAID MIXTURE CONDUIT, AN ACCELERATING PUMP COMPRISING A PUMP CHAMBER, A PUMP MEMBER MOVABLE TO EXPAND AND CONTRACT THE PUMP CHAMBER, MEANS FORMING AN INLET PASSAGE FOR SUPPLYING FUEL FROM SAID BOWL TO SAID PUMP CHAMBER AND A DISCHARGE PASSAGE FROM SAID PUMP CHAMBER TO SAID MAIN FUEL CHAMBER, A DISCHARGE CHECK VALVE WITHIN SAID DISCHARGE PASSAGE, A LINKAGE INTERCONNECTING SAID THROTTLE VALVE AND SAID MOVABLE PUMP MEMBER FOR OPERATING SAID MOVABLE PUMP MEMBER TO PUMP FUEL IN RESPONSE TO OPENING MOVEMENT OF SAID THROTTLE VALVE, SAID LINKAGE INCLUDING A RESILIENT LEVER TO PROVIDE OVERTRAVEL OF SAID LEVER IN THROTTLE OPENING DIRECTION.
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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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |