Patent US3248675A successfully refreshed from Google Patents.
US3248675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold weather enrichment device for an internal combustion engine
Assignee: Ford Motor Co
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Filing: 1964-07-28
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Granted: 1966-04-26
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Expires: 1984-07-28
Abstract
No abstract record available.
Inventors
- 👤 John H Furbacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:01
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/08; F02M1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
AN AUTOMATIC CHOKE FOR AN INTERNAL COMBUSTION ENGINE COMPRISING A CHOKE HOUSING ENCLOSED BY A COVER, SAID COVER HAVING A LOWER COEFFICIENT OF THERMAL CONDUCTIVITY THAN SAID HOUSING, A TEMPERATURE SENSITIVE ELEMENT SUPPORTED WITHIN SAID CHOKE HOUSING, SAID TEMPERATURE SENSITIVE ELEMENT BEING THERMALLY CONNECTED WITH SAID COVER, A CHOKE PLATE, AN OPERATIVE CONNECTION BETWEEN SAID TEMPERATURE SENSITIVE ELEMENT AND SAID CHOKE PLATE INLCUDING AT LEAST ONE MOVABLE PART FOR MOVING SAID CHOKE PLATE BETWEEN OPENED AND CLOSED POSITIONS IN RESPONSE TO VARIATIONS IN THE TEMPERATURE OF SAID TEMPERATURE SENSITIVE ELEMENT, AND A TEMPERATURE RESPONSIVE LATCH, SAID TEMPERATURE RESPONSIVE LATCH INCLUDING A TEMPERATURE RESPONSIVE ELEMENT THERMALLY CONNECTED TO SAID CHOKE HOUSING AND A LOCKING MEANS COUPLED TO SAID TEMPERATURE RESPONSIVE ELEMENT AND MOVABLE BY SAID TEMPERATURE RESPONSIVE ELEMENT IN RESPONSE TO VARIATIONS IN ITS TEMPERATURE FOR MOVEMENT INTO ENGAGEMENT WITH SAID MOVABLE PART OF SAID TEMPERATURE SENSITIVE RESPONSIVE ELEMENT THE TEMPERATURE OF SAID TEMPERATURE RESPOPNSIVE ELEMENT AND THE TEMPERATURE OF SAID TEMPERATURE SENSITIVE ELE-
Claim 2
Dependent Claim
163 words
AN AUTOMATIC CHOKE FOR AN INTERNAL COMBUSTION ENGINE COMPRISING A CHOKE HOUSING ENCLOSED BY A COVER, SAID COVER HAVING A LOWER COEFFICIENT OF THERMAL CONDUCTIVITY THAN SAID HOUSING, A TEMPERATURE SENSITIVE ELEMENT SUPPORTED WITHIN SAID CHOKE HOUSING, SAID TEMPERATURE SENSITIVE ELEMENT BEING THERMALLY CONNECTED WITH SAID COVER, A CHOKE PLATE, AN OPERATIVE CONNECTION BETWEEN SAID TEMPERATURE SENSITIVE ELEMENT AND SAID CHOKE PLATE INLCUDING AT LEAST ONE MOVABLE PART FOR MOVING SAID CHOKE PLATE BETWEEN OPENED AND CLOSED POSITIONS IN RESPONSE TO VARIATIONS IN THE TEMPERATURE OF SAID TEMPERATURE SENSITIVE ELEMENT, AND A TEMPERATURE RESPONSIVE LATCH, SAID TEMPERATURE RESPONSIVE LATCH INCLUDING A TEMPERATURE RESPONSIVE ELEMENT THERMALLY CONNECTED TO SAID CHOKE HOUSING AND A LOCKING MEANS COUPLED TO SAID TEMPERATURE RESPONSIVE ELEMENT AND MOVABLE BY SAID TEMPERATURE RESPONSIVE ELEMENT IN RESPONSE TO VARIATIONS IN ITS TEMPERATURE FOR MOVEMENT INTO ENGAGEMENT WITH SAID MOVABLE PART OF SAID TEMPERATURE SENSITIVE RESPONSIVE ELEMENT THE TEMPERATURE OF SAID TEMPERATURE RESPOPNSIVE ELEMENT AND THE TEMPERATURE OF SAID TEMPERATURE SENSITIVE ELE-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |