US3353801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot start venting
Assignee: Old Carco LLC
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Filing: 1966-04-26
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Granted: 1967-11-21
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Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 Jorma O Sarto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:51
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/08; F02M1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE, A THROTTLE BODY, A FUEL-AIR INDUCTION CONDUIT EXTENDING THROUGH SAID THROTTLE BODY, THROTTLE VALVE MEANS HAVING A VALVE ELEMENT IN SAID CONDUIT MOVABLE BETWEEN IDLE AND OPEN POSITIONS FOR CONTROLLING FLUID FLOW IN SAID CONDUIT, MEANS FOR VENTING GASES IN SAID CONDUIT ABOVE SAID VALVE ELEMENT TO ASMOSPHERIC PRESSURE COMPRISING A VALVE GUIDE PASSAGE WITHIN THE SIDEWALL OF SAID THROTTLE BODY AND OPENING INTO SAID CONDUIT AT A LOCATION IMMEDIATELY ABOVE SAID VALVE ELEMENT WHEN THE LATTER IS IN THE IDLE POSITION, A VENT DUCT COMMUNICATING WITH SAID ATMOSPHERIC PRESSURE, A PORT CONNECTING SAID GUIDE PASSAGE AND VENT DUCT, THE SIDEWALL OF SAID THROTTLE BODY DEFINING SAID GUIDE PASSAGE ALSO DEFINING A VALVE SEAT AROUND SAID PORT, VENT VALVE
Claim 2
Dependent Claim
127 words
IN A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE, A THROTTLE BODY, A FUEL-AIR INDUCTION CONDUIT EXTENDING THROUGH SAID THROTTLE BODY, THROTTLE VALVE MEANS HAVING A VALVE ELEMENT IN SAID CONDUIT MOVABLE BETWEEN IDLE AND OPEN POSITIONS FOR CONTROLLING FLUID FLOW IN SAID CONDUIT, MEANS FOR VENTING GASES IN SAID CONDUIT ABOVE SAID VALVE ELEMENT TO ASMOSPHERIC PRESSURE COMPRISING A VALVE GUIDE PASSAGE WITHIN THE SIDEWALL OF SAID THROTTLE BODY AND OPENING INTO SAID CONDUIT AT A LOCATION IMMEDIATELY ABOVE SAID VALVE ELEMENT WHEN THE LATTER IS IN THE IDLE POSITION, A VENT DUCT COMMUNICATING WITH SAID ATMOSPHERIC PRESSURE, A PORT CONNECTING SAID GUIDE PASSAGE AND VENT DUCT, THE SIDEWALL OF SAID THROTTLE BODY DEFINING SAID GUIDE PASSAGE ALSO DEFINING A VALVE SEAT AROUND SAID PORT, VENT VALVE
References Cited (Backward Citations)
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |