US3242915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor attachment
Assignee: Southern Indiana Railway Inc
•
Filing: 1964-05-19
•
Granted: 1966-03-29
•
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 02:58
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.
References Cited (Backward Citations)
US3123060A
Cited
US2274894A
Cited
US2281124A
Cited
US2291879A
Cited
US2489230A
Cited
US2737935A
Cited
US2971505A
Cited
US3059628A
Cited
US3066660A
Cited
US3030942A
Cited
US3105477A
Cited
US3077871A
Cited
US3116727A
Cited
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 |