US3272486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor having an automatic choke
Assignee: Holley Performance Products Inc
•
Filing: 1963-03-26
•
Granted: 1966-09-13
•
Expires: 1983-03-26
Abstract
No abstract record available.
Inventors
- 👤 Alvin S Lucas
- 👤 Charles W Saussele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:55
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/08; F02M1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN AN INTERNAL COMBUSTION ENGINE CARBURETOR HAVING AN AUTOMATIC CHOKE INCLUDING A CHOKE PLATE UNBALANCED TO OPEN IN RESPONSE TO AIRFLOW, THERMOSTATIC MEANS ADAPTED TO RESIST OPENING OF THE CHOKE PLATE WHEN THE ENGINE IS COLD AND VACUUM RESPONSIVE MEANS FOR OPENING SAID CHOKE PLATE A PREDETERMINED AMOUNT AGAINST THE CLOSING FORCE OF THE THERMOSTATIC MEANS UPON STARTING OF THE ENGINE, AND INDEPENDENT MEANS INCLUDING SLOT MEANS FOR HOLDING SAID CHOKE PLATE CLOSED UNTIL THE ENGINE STARTS, AND LINK MEANS CONNECTING SAID VACUUM RESPONSIVE MEANS TO SAID SLOT MEANS SUCH THAT SAID LINK MEANS BECOMES DISENGAGED FROM SAID SLOT MEANS WHEN SAID VACUUM RESPONSIVE MEANS IS FULLY ACTUATED.
Claim 2
Dependent Claim
108 words
IN AN INTERNAL COMBUSTION ENGINE CARBURETOR HAVING AN AUTOMATIC CHOKE INCLUDING A CHOKE PLATE UNBALANCED TO OPEN IN RESPONSE TO AIRFLOW, THERMOSTATIC MEANS ADAPTED TO RESIST OPENING OF THE CHOKE PLATE WHEN THE ENGINE IS COLD AND VACUUM RESPONSIVE MEANS FOR OPENING SAID CHOKE PLATE A PREDETERMINED AMOUNT AGAINST THE CLOSING FORCE OF THE THERMOSTATIC MEANS UPON STARTING OF THE ENGINE, AND INDEPENDENT MEANS INCLUDING SLOT MEANS FOR HOLDING SAID CHOKE PLATE CLOSED UNTIL THE ENGINE STARTS, AND LINK MEANS CONNECTING SAID VACUUM RESPONSIVE MEANS TO SAID SLOT MEANS SUCH THAT SAID LINK MEANS BECOMES DISENGAGED FROM SAID SLOT MEANS WHEN SAID VACUUM RESPONSIVE MEANS IS FULLY ACTUATED.
References Cited (Backward Citations)
US2408104A
Cited
US2215682A
Cited
US2420917A
Cited
US2970825A
Cited
US2989293A
Cited
US2998233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |