US3086750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor inlet valve
Assignee: ACF Industries Inc
•
Filing: 1961-02-02
•
Granted: 1963-04-23
•
Expires: 1981-02-02
Abstract
No abstract record available.
Inventors
- 👤 Harold A Carlson
- 👤 Alex N Szwargulski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:34
CPC Classifications
F; F02; F02M; F02M5/00; F02M5/12; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4328; F02M2700/4333; Y; Y10; Y10S; Y10S29/00; Y10S29/034; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49298; Y10T29/49314; Y10T29/49826; Y10T29/49908; Y10T29/49936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A VALVE NEEDLE FOR A CARBURETOR, HAVING A VALVE SEAT IN A FUEL PASSAGE, SAID NEEDLE COMPRISING, A TIP ON ONE END OF SAID VALVE NEEDLE ADAPTED TO ABUT SAID VALVE SEAT TO CLOSE SAID FUEL PASSAGE, SAID VALVE NEEDLE HAVING A PAIR OF COAXIAL ANNULAR RINGS INTEGRAL WITH AND EXTENDING FROM SAID ONE NEEDLE END, THE FREE END OF ONE OF SAID RINGS BEING FLARED OUTWARDLY FROM THE COMMON AXIS THEREOF, SAID NEEDLE TIP COMPRISING RESILIENT FUEL RESISTANT MATERIAL HAVING A CONICAL SHAPE AND ANCHORED BETWEEN SAID RINGS.
Claim 2
Dependent Claim
89 words
A VALVE NEEDLE FOR A CARBURETOR, HAVING A VALVE SEAT IN A FUEL PASSAGE, SAID NEEDLE COMPRISING, A TIP ON ONE END OF SAID VALVE NEEDLE ADAPTED TO ABUT SAID VALVE SEAT TO CLOSE SAID FUEL PASSAGE, SAID VALVE NEEDLE HAVING A PAIR OF COAXIAL ANNULAR RINGS INTEGRAL WITH AND EXTENDING FROM SAID ONE NEEDLE END, THE FREE END OF ONE OF SAID RINGS BEING FLARED OUTWARDLY FROM THE COMMON AXIS THEREOF, SAID NEEDLE TIP COMPRISING RESILIENT FUEL RESISTANT MATERIAL HAVING A CONICAL SHAPE AND ANCHORED BETWEEN SAID RINGS.
References Cited (Backward Citations)
US1235389A
Cited
US1422054A
Cited
US2414577A
Cited
US2550441A
Cited
US2521314A
Cited
US2752937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |