Patent US3158322A successfully refreshed from Google Patents.
US3158322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic choke
Assignee: Ford Motor Co
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Filing: 1960-12-30
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Granted: 1964-11-24
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 John H Furbacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:44
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/08; F02M1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN AUTOMATIC CHOKE MECHANISM FOR AN INTERNAL COMBUSTION ENGINE, COMPRISING CHOKING MEANS, TEMPERATURE RESPONSIVE MEANS FOR MOVING SAID CHOKING MEANS BETWEEN CHOKED AND OPEN POSITIONS IN RESPONSE TO TEMPERATURE VARIATIONS, AND A MAGNETIC LATCH POSITIONED ADJACENT A PORTION OF SAID AUTOMATIC CHOKE MECHANISM IN THE OPEN POSITION OF THE LATTER TO RESTRAIN MOVEMENT OF SAID CHOKING MEANS TOWARD CHOKED POSITION.
Claim 2
Dependent Claim
60 words
AN AUTOMATIC CHOKE MECHANISM FOR AN INTERNAL COMBUSTION ENGINE, COMPRISING CHOKING MEANS, TEMPERATURE RESPONSIVE MEANS FOR MOVING SAID CHOKING MEANS BETWEEN CHOKED AND OPEN POSITIONS IN RESPONSE TO TEMPERATURE VARIATIONS, AND A MAGNETIC LATCH POSITIONED ADJACENT A PORTION OF SAID AUTOMATIC CHOKE MECHANISM IN THE OPEN POSITION OF THE LATTER TO RESTRAIN MOVEMENT OF SAID CHOKING MEANS TOWARD CHOKED POSITION.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |