US3148670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Introducing combustible fluid to internal combustion engine fuel line
Assignee: Individual
•
Filing: 1963-11-06
•
Granted: 1964-09-15
•
Expires: 1983-11-06
Abstract
No abstract record available.
Inventors
- 👤 William S Fiedler
- 👤 John W Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:32
CPC Classifications
F; F02; F02M; F02M25/00; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/6888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
MEANS FOR INTRODUCING COMBUSTIBLE FLUID FROM A SUPPLY OF SUCH FLUID INTO AN INTERNAL COMBUSTION ENGINE, SAID ENGINE HAVING A CARBURETOR AND A LIQUID FUEL LINE LEADING TO SAID CARBURETOR, SAID MEANS COMPRISING A T IN SAID FUEL LINE UPSTREAM OF SAID CARBURETOR, A CHECK VALVE IN SAID FUEL LINE UPSTREAM OF SAID T, A RECEIVER CONTAINING A CHECK VALVE, AN UNVALVED TUBE LEADING FROM SAID T TO SAID RECEIVER, SAID RECEIVER RETAINING IN PLACE A VALVE PRESSURIZED RECEPTACLE CONTAINING SAID FLUID WITH
Claim 2
Dependent Claim
83 words
MEANS FOR INTRODUCING COMBUSTIBLE FLUID FROM A SUPPLY OF SUCH FLUID INTO AN INTERNAL COMBUSTION ENGINE, SAID ENGINE HAVING A CARBURETOR AND A LIQUID FUEL LINE LEADING TO SAID CARBURETOR, SAID MEANS COMPRISING A T IN SAID FUEL LINE UPSTREAM OF SAID CARBURETOR, A CHECK VALVE IN SAID FUEL LINE UPSTREAM OF SAID T, A RECEIVER CONTAINING A CHECK VALVE, AN UNVALVED TUBE LEADING FROM SAID T TO SAID RECEIVER, SAID RECEIVER RETAINING IN PLACE A VALVE PRESSURIZED RECEPTACLE CONTAINING SAID FLUID WITH
References Cited (Backward Citations)
GB414410A
Cited
US2708922A
Cited
US2706977A
Cited
US2857900A
Cited
US2851027A
Cited
US2862491A
Cited
US2857901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |