Patent US3233652A successfully refreshed from Google Patents.
US3233652A
Expired / Lapsed
US
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Fuel feed system for charge forming apparatus
Assignee: Tillotson Manufacturing Co
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Filing: 1962-06-18
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Granted: 1966-02-08
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Expires: 1982-06-18
Abstract
No abstract record available.
Inventors
- 👤 Bernard C Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:04
CPC Classifications
F; F02; F02B; F02B1/00; F02M; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4383; F02M2700/4385; Y; Y10; Y10S; Y10S261/00; Y10S261/08; Y10S261/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A FUEL FEED SYSTEM INCLUDING A CARBURETOR FOR USE WITH AN INTERNAL COMBUSTION ENGINE, A FUEL PUMP CONNECTED WITH A FUEL SUPPLY TANK, A FITTING PROVIDING A FIRST DUCT AND A SECOND DUCT, PASSAGE MEANS ESTABLISHING COMMUNICATION OF THE FIRST DUCT WITH A VALVED FUEL INLET CHANNEL OF THE CARBURETOR AND THE FUEL PUMP, TUBULAR MEANS ESTABLISHING COMMUNICATION BETWEEN THE SECOND DUCT AND THE FUEL TANK TO ACCOMMODATE FUEL FLOW FROM THE SECOND DUCT TO THE FUEL TANK, MANUALLY OPERABLE MEANS FOR PRIMING THE PUMP WITH LIQUID FUEL FROM THE FUEL TANK, A PRESSURE RELIEF MEANS ARRANGED TO ESTABLISH COMMUNICATION BETWEEN SAID DUCTS UNDER THE INFLUENCE OF EXCESSIVE FUEL PRESSURE SET UP BY THE FUEL PUMP IN SAID FIRST DUCT, AND A BY-PASS OF COMPARATIVELY SMALL CROSS-SECTIONAL AREA PROVIDING A RESTRICTED PASSAGE BETWEEN THE DUCTS IN THE FITTING.
Claim 2
Dependent Claim
138 words
A FUEL FEED SYSTEM INCLUDING A CARBURETOR FOR USE WITH AN INTERNAL COMBUSTION ENGINE, A FUEL PUMP CONNECTED WITH A FUEL SUPPLY TANK, A FITTING PROVIDING A FIRST DUCT AND A SECOND DUCT, PASSAGE MEANS ESTABLISHING COMMUNICATION OF THE FIRST DUCT WITH A VALVED FUEL INLET CHANNEL OF THE CARBURETOR AND THE FUEL PUMP, TUBULAR MEANS ESTABLISHING COMMUNICATION BETWEEN THE SECOND DUCT AND THE FUEL TANK TO ACCOMMODATE FUEL FLOW FROM THE SECOND DUCT TO THE FUEL TANK, MANUALLY OPERABLE MEANS FOR PRIMING THE PUMP WITH LIQUID FUEL FROM THE FUEL TANK, A PRESSURE RELIEF MEANS ARRANGED TO ESTABLISH COMMUNICATION BETWEEN SAID DUCTS UNDER THE INFLUENCE OF EXCESSIVE FUEL PRESSURE SET UP BY THE FUEL PUMP IN SAID FIRST DUCT, AND A BY-PASS OF COMPARATIVELY SMALL CROSS-SECTIONAL AREA PROVIDING A RESTRICTED PASSAGE BETWEEN THE DUCTS IN THE FITTING.
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |