Patent US3223390A successfully refreshed from Google Patents.
US3223390A
Expired / Lapsed
US
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Dual fuel carburetion system
Assignee: Individual
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Filing: 1962-05-29
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Granted: 1965-12-14
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Expires: 1982-05-29
Abstract
No abstract record available.
Inventors
- 👤 Harry F Bunze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:05
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4314
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A DUAL FUEL CARBURETION SYSTEM FOR IN A VEHICLE ENGINE ADAPTED TO SELECTIVELY PROVIDE REGULAR OR ANTI-KNOCK FUEL TO THE ENGINE CARBURETOR IN ACCORDANCE WITH THE FORWARD ACCELERATION AND INCLINE CONDITIONS OF SAID VEHICLE COMPRISING A CARBURETOR, A SOURCE OF REGULAR FUEL, A SOURCE OF ANTI-KNOCK FUEL, SEPARATE FUEL LINES INTERCONNECTING EACH OF SAID FUEL SOURCES AND SAID CARBURETOR, A VALVE INTERPOSED IN SAID ANTI-KNOCK CONNECTING FUEL LINE, ELECTRICALLY RESPONSIVE ACTUATOR MEANS OPERATIVELY CONNECTED TO SAID VALVE, A POWER SOURCE,
Claim 2
Dependent Claim
80 words
A DUAL FUEL CARBURETION SYSTEM FOR IN A VEHICLE ENGINE ADAPTED TO SELECTIVELY PROVIDE REGULAR OR ANTI-KNOCK FUEL TO THE ENGINE CARBURETOR IN ACCORDANCE WITH THE FORWARD ACCELERATION AND INCLINE CONDITIONS OF SAID VEHICLE COMPRISING A CARBURETOR, A SOURCE OF REGULAR FUEL, A SOURCE OF ANTI-KNOCK FUEL, SEPARATE FUEL LINES INTERCONNECTING EACH OF SAID FUEL SOURCES AND SAID CARBURETOR, A VALVE INTERPOSED IN SAID ANTI-KNOCK CONNECTING FUEL LINE, ELECTRICALLY RESPONSIVE ACTUATOR MEANS OPERATIVELY CONNECTED TO SAID VALVE, A POWER SOURCE,
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |