Patent US4723825A successfully refreshed from Google Patents.
US3248097A
Expired / Lapsed
US
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Carburetor arrangement
Assignee: Individual
•
Filing: 1963-04-25
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Granted: 1966-04-26
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Expires: 1983-04-25
Abstract
No abstract record available.
Inventors
- 👤 Rugeris John De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:42
CPC Classifications
F; F02; F02M; F02M69/00; F02M69/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
214 words
A CARBURETOR VALVE FOR INTERNAL COMBUSTION ENGINES COMPRISING A VALVE BODY FORMING AN INTERNAL FUEL CHAMBER, A CONDUIT INCLUDING A PRESSURE REGULATING VALVE FOR DELIVERING FUEL TO SAID CHAMBER, A NOZZLE FOR DISPENSING FUEL FROM SAID CHAMBER TO AN ENCLOSURE AND HAVING AN OUTER CONICAL SURFACE AND AT THE TAPERED END OF SAID SURFACE A CONICAL RECESS WITH THE BASE OF SAID CONICAL RECESS IN OPEN COMMUNICATION WITH THE INTERIOR OF SAID ENCLOSURE, AND A FUEL DISPENSING PASSAGE LEADING FROM SAID CHAMBER TO THE APEX OF SAID CONICAL RECESS, A CONTROL ROD SLIDABLY ARRANGED COAXIALLY WITHIN SAID VALVE BODY AND HAVING A POINTED END LOCATED WITHIN SAID FUEL DISPENSING PASSAGE, AND ARRANGED WITHIN THE WALL OF SAID NOZZLE AS DEFINED BY SAID CONICAL OUTER SURFACE AND THE INNER CONICAL SURFACE OF SAID RECESS A FIRST GROUP OF AIR CONDUCTING CHANNELS LEADING FROM AN AREA NEAR THE BASE OF SAID OUTER CONICAL SURFACE OBLIQUELY TO POINTS IN AN AREA OF SAID INNER CONICAL SURFACE NEAR THE APEX OF SAID RECESS, AND A SECOND GROUP OF AIR CONDUCTING CHANNELS LEADING FROM AN AREA OF SAID INNER CONICAL SURFACE OUTWARDLY ADJACENT THE AREA WHEREIN SAID FIRST CHANNELS LEAD INTO SAID RECESS ALONG DIVERGING PATHS TO AN AREA OF SAID OUTER CONICAL SURFACE NEAR THE TAPERED END THEREOF.
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |