Patent US3343820A successfully refreshed from Google Patents.
US3343820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: Holley Performance Products Inc
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Filing: 1965-12-01
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Granted: 1967-09-26
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Expires: 1985-12-01
Abstract
No abstract record available.
Inventors
- 👤 Walter B Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:16
CPC Classifications
F; F02; F02M; F02M3/00; F02M3/08; F02M3/10; F02M3/09; F02M7/00; F02M7/04; F02M7/12; F02M7/133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
AN INTERNAL COMBUSTION ENGINE CARBURETOR, COMPRISING AN INDUCTION PASSAGE, A THROTTLE VALVE IN SAID INDUCTION PASSAGE, A FUEL RESERVOIR AND A PLURALITY OF CO-OPERATING FUEL SYSTEMS FOR SUPPLYING FUEL FROM SAID RESERVOIR TO SAID INDUCTION PASSAGE DURING PART AND WIDE OPEN THROTTLE OPERATION OF SAID CARBURETOR, SAID SYSTEMS INCLUDING A MAIN FUEL SYSTEM, AN AUXILIARY FUEL SYSTEM AND A POWER FUEL SYSTEM, EACH OF SAID SYSTEM HAVING ITS OWN MEANS COMMUNICATING WITH SAID RESERVOIR THROUGH WHICH FUEL IS SUPPLIED THERETO, SAID MEANS FOR SAID MAIN AND AUXILIARY SYSTEMS COMPRISING SEPARATE FIXED CONSTANTLY-OPEN METERING RESTRICTIONS AND SAID MEANS FOR SAID POWER FUEL SYSTEM COMPRISING AN ORIFICE CONTROLLED BY A VALVE FOR CLOSING SAID ORIFICE EXCEPT WHEN POWER FUEL IS REQUIRED, A COMMON FIXED METERING RESTRICTION CONNECTING SAID AUXILIARY AND POWER FUEL SYSTEMS TO SAID MAIN SYSTEM AND OF SUFFICIENT CAPACITY TO FLOW FUEL SIMULTANEOUSLY FROM BOTH OF SAID AUXILIARY AND POWER FUEL SYSTEMS.
Claim 2
Dependent Claim
152 words
AN INTERNAL COMBUSTION ENGINE CARBURETOR, COMPRISING AN INDUCTION PASSAGE, A THROTTLE VALVE IN SAID INDUCTION PASSAGE, A FUEL RESERVOIR AND A PLURALITY OF CO-OPERATING FUEL SYSTEMS FOR SUPPLYING FUEL FROM SAID RESERVOIR TO SAID INDUCTION PASSAGE DURING PART AND WIDE OPEN THROTTLE OPERATION OF SAID CARBURETOR, SAID SYSTEMS INCLUDING A MAIN FUEL SYSTEM, AN AUXILIARY FUEL SYSTEM AND A POWER FUEL SYSTEM, EACH OF SAID SYSTEM HAVING ITS OWN MEANS COMMUNICATING WITH SAID RESERVOIR THROUGH WHICH FUEL IS SUPPLIED THERETO, SAID MEANS FOR SAID MAIN AND AUXILIARY SYSTEMS COMPRISING SEPARATE FIXED CONSTANTLY-OPEN METERING RESTRICTIONS AND SAID MEANS FOR SAID POWER FUEL SYSTEM COMPRISING AN ORIFICE CONTROLLED BY A VALVE FOR CLOSING SAID ORIFICE EXCEPT WHEN POWER FUEL IS REQUIRED, A COMMON FIXED METERING RESTRICTION CONNECTING SAID AUXILIARY AND POWER FUEL SYSTEMS TO SAID MAIN SYSTEM AND OF SUFFICIENT CAPACITY TO FLOW FUEL SIMULTANEOUSLY FROM BOTH OF SAID AUXILIARY AND POWER FUEL SYSTEMS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |