Patent US3242915A successfully refreshed from Google Patents.
US3242915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor attachment
Assignee: Southern Indiana Railway Inc
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Filing: 1964-05-19
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Granted: 1966-03-29
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Expires: 1984-05-19
Abstract
No abstract record available.
Inventors
- 👤 William M Blacker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:05
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/02; F01M13/021; F01M13/022; F01M13/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A CARBURETION SYSTEM COMPRISING AN INTERNAL COMBUSTION ENGINE HAVING A CRANKCASE AND AN INTAKE MANIFOLD, A CARBURETOR HAVING A FUEL MIXTURE SUPPLY PASSAGE LEADING TO SAID INTAKE MANIFOLD, A FUEL JET MOUNTED ON SAID CARBURETOR AND DISCHARGING IN SAID PASSAGE, A VALVE DOWNSTREAM OF SAID JET AND CONTROLLING FLOW THROUGH SAID PASSAGE, A CONDUIT COMMUNICATING BETWEEN SAID CRANKCASE AND SAID CARBURETOR AND OPENING INTO SAID CARBURETOR BETWEEN SAID JET AND VALVE, SAID CARBURETOR HAVING A VENT LEADING FROM ATMOSPHERE TO SAID PASSAGE AND OPENING BETWEEN SAID JET AND VALVE, AND MEANS RESPONSIVE TO VACUUM IN SAID PASSAGE DOWNSTREAM OF SAID VALVE FOR CONTROLLING THE AMOUNT OF AIR PASSING THROUGH SAID VENT.
Claim 2
Dependent Claim
111 words
A CARBURETION SYSTEM COMPRISING AN INTERNAL COMBUSTION ENGINE HAVING A CRANKCASE AND AN INTAKE MANIFOLD, A CARBURETOR HAVING A FUEL MIXTURE SUPPLY PASSAGE LEADING TO SAID INTAKE MANIFOLD, A FUEL JET MOUNTED ON SAID CARBURETOR AND DISCHARGING IN SAID PASSAGE, A VALVE DOWNSTREAM OF SAID JET AND CONTROLLING FLOW THROUGH SAID PASSAGE, A CONDUIT COMMUNICATING BETWEEN SAID CRANKCASE AND SAID CARBURETOR AND OPENING INTO SAID CARBURETOR BETWEEN SAID JET AND VALVE, SAID CARBURETOR HAVING A VENT LEADING FROM ATMOSPHERE TO SAID PASSAGE AND OPENING BETWEEN SAID JET AND VALVE, AND MEANS RESPONSIVE TO VACUUM IN SAID PASSAGE DOWNSTREAM OF SAID VALVE FOR CONTROLLING THE AMOUNT OF AIR PASSING THROUGH SAID VENT.
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |