US3262683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic choke
Assignee: Old Carco LLC
•
Filing: 1963-08-02
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Granted: 1966-07-26
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Expires: 1983-08-02
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Ball
- 👤 Ronald T Denton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:36
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/08; F02M1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE, AN AIR INDUCTION PASSAGE, A CHOKE VALVE AND A THROTTLE VALVE IN SAID PASSAGE, TEMPERATURE RESPONSIVE MEANS FOR YIELDINGLY URGING SAID CHOKE VALVE TO A CLOSED POSITION WITH PROGRESSIVELY INCREASING FORCE IN RESPONSE TO PROGRESSIVELY DECREASING TEMPERATURE, PRESSURE RESPONSIVE MEANS IN COMMUNICATION WITH THE PRESSURE IN SAID PASSAGE DOWNSTREAM OF SAID THROTTLE VALVE AND BEING SHIFTABLE TO AN ACTUATED POSITION IN RESPONSE TO SAID PRESSURE DURING PREDETERMINED OPERATION OF SAID ENGINE, MEANS FOR OPENING SAID CHOKE VALVE TO A PREDETERMINED POSITION IN OPPOSITION TO SAID TEMPERATURE RESPONSIVE MEANS UPON SHIFTING OF SAID PRESSURE RESPONSIVE MEANS TO SAID ACTUATED POSITION INCLUDING CONNECTING MEANS OPERATIVELY CONNECTING SAID PRESSURE RESPONSIVE MEANS AND CHOKE VALVE, AND MEANS FOR YIELDINGLY URING ADDITIONAL OPENING OF SAID CHOKE VALVE IN OPPOSITION TO SAID TEMPERATURE RESPONSIVE MEANS UPON SHIFTING OF SAID PRESSURE RESPONSIVE MEANS TO SAID ACTUATED POSITION INCLUDING RESILIENT MEANS OPERATIVELY CONNECTING SAID PRESSURE RESPONSIVE MEANS AND CONNECTING MEANS.
Claim 2
Dependent Claim
160 words
IN A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE, AN AIR INDUCTION PASSAGE, A CHOKE VALVE AND A THROTTLE VALVE IN SAID PASSAGE, TEMPERATURE RESPONSIVE MEANS FOR YIELDINGLY URGING SAID CHOKE VALVE TO A CLOSED POSITION WITH PROGRESSIVELY INCREASING FORCE IN RESPONSE TO PROGRESSIVELY DECREASING TEMPERATURE, PRESSURE RESPONSIVE MEANS IN COMMUNICATION WITH THE PRESSURE IN SAID PASSAGE DOWNSTREAM OF SAID THROTTLE VALVE AND BEING SHIFTABLE TO AN ACTUATED POSITION IN RESPONSE TO SAID PRESSURE DURING PREDETERMINED OPERATION OF SAID ENGINE, MEANS FOR OPENING SAID CHOKE VALVE TO A PREDETERMINED POSITION IN OPPOSITION TO SAID TEMPERATURE RESPONSIVE MEANS UPON SHIFTING OF SAID PRESSURE RESPONSIVE MEANS TO SAID ACTUATED POSITION INCLUDING CONNECTING MEANS OPERATIVELY CONNECTING SAID PRESSURE RESPONSIVE MEANS AND CHOKE VALVE, AND MEANS FOR YIELDINGLY URING ADDITIONAL OPENING OF SAID CHOKE VALVE IN OPPOSITION TO SAID TEMPERATURE RESPONSIVE MEANS UPON SHIFTING OF SAID PRESSURE RESPONSIVE MEANS TO SAID ACTUATED POSITION INCLUDING RESILIENT MEANS OPERATIVELY CONNECTING SAID PRESSURE RESPONSIVE MEANS AND CONNECTING MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |