Patent US3078077A successfully refreshed from Google Patents.
US3078077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Return flow carburetor
Assignee: Old Carco LLC
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Filing: 1959-05-28
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Granted: 1963-02-19
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Expires: 1979-05-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:27
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4388; F02M2700/439
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A FLOATLESS CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE HAVING AN INTAKE MANIFOLD SYSTEM, A FUEL BOWL, INLET CONDUIT MEANS FOR CONNECTING SAID BOWL WITH A SOURCE OF PRESSURIZED FUEL, MEANS FOR MAINTAINING THE FUEL IN SAID BOWL AT A PREDETERMINED LEVEL COMPRISING AN OVERFLOW WEIR IN SAID BOWL DEFINING AT LEAST IN PART A CHAMBER ADAPTED TO RECEIVE EXCESS FUEL OVERFLOWING SAID WEIR FROM SAID BOWL WHEN THE FUEL IN SAID BOWL ATTAINS SAID PREDETERMINED LEVEL, FUEL RETURN MEANS IN COMMUNICATION WITH SAID CHAMBER TO DRAIN FUEL THEREFROM UPON OVERFLOW OF EXCESS FUEL FROM SAID BOWL INTO SAID CHAMBER, VALVE MEANS IN SAID CONDUIT MEANS AT A LOCATION BETWEEN SAID SOURCE AND BOWL FOR CONTROLLING FUEL FLOW IN SAID CONDUIT MEANS, A PRESSURE CHAMBER, A PRESSURE ACTUATED MOVABLE ELEMENT IN SAID PRESSURE CHAMBER, MEANS OPERABLY CONNECT-
Claim 2
Dependent Claim
137 words
IN A FLOATLESS CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE HAVING AN INTAKE MANIFOLD SYSTEM, A FUEL BOWL, INLET CONDUIT MEANS FOR CONNECTING SAID BOWL WITH A SOURCE OF PRESSURIZED FUEL, MEANS FOR MAINTAINING THE FUEL IN SAID BOWL AT A PREDETERMINED LEVEL COMPRISING AN OVERFLOW WEIR IN SAID BOWL DEFINING AT LEAST IN PART A CHAMBER ADAPTED TO RECEIVE EXCESS FUEL OVERFLOWING SAID WEIR FROM SAID BOWL WHEN THE FUEL IN SAID BOWL ATTAINS SAID PREDETERMINED LEVEL, FUEL RETURN MEANS IN COMMUNICATION WITH SAID CHAMBER TO DRAIN FUEL THEREFROM UPON OVERFLOW OF EXCESS FUEL FROM SAID BOWL INTO SAID CHAMBER, VALVE MEANS IN SAID CONDUIT MEANS AT A LOCATION BETWEEN SAID SOURCE AND BOWL FOR CONTROLLING FUEL FLOW IN SAID CONDUIT MEANS, A PRESSURE CHAMBER, A PRESSURE ACTUATED MOVABLE ELEMENT IN SAID PRESSURE CHAMBER, MEANS OPERABLY CONNECT-
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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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |