US3092999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic choke
Assignee: ACF Industries Inc
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Filing: 1959-08-04
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Granted: 1963-06-11
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Expires: 1979-08-04
Abstract
No abstract record available.
Inventors
- 👤 Olin J Eickmann
- 👤 Harold A Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:10
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/08; F02M1/10; G; G05; G05D; G05D23/00; G05D23/185; G05D23/1854
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
153 words
AN AUTOMATIC VALVE CONTROL FOR A CARBURETOR, SAID VALVE CONTROL COMPRISING A CLOSED HOUSING, A THERMOSTATIC COIL SPRING WITHIN A PORTION OF SAID HOUSING, MEANS FIXING ONE END OF SAID SPRING AGAINST MOVEMENT, AN ANNULAR METAL PLATE MOUNTED IN SAID HOUSING AND CLOSING SAID HOUSING PORTION, SAID METAL PLATE POSITIONED ADJACENT AND COAXIAL TO SAID THERMOSTATIC SPRING, SAID METAL PLATE HAVING APPRECIABLE MASS AND THICKNESS AND AN INLET THERETO FOR THE PASSAGE OF HEATED AIR INTO SAID METAL PLATE STRUCTURE, A PLURALITY OF OUTLETS FROM SAID METAL PLATE STRUCTURE OPENING INTO SAID HOUSING PORTION AND SPACED AROUND THE PERIPHERY OF SAID METAL PLATE STRUCTURE ADJACENT TO SAID COIL SPRING FOR THE PASSAGE OF AIR FROM SAID WALL STRUCTURE INTO SAID HOUSING PORTION, CLOSED ARCUATE PASSAGES WITHIN SAID METAL PLATE STRUCTURE CONNECTING SAID INLET TO SAID PLURALITY OF OUTLETS, SAID METAL PLATE STRUCTURE HAVING AN AIR OUTLET PASSAGE THERETHROUGH EXTENDING FROM SAID HOUSING PORTION.
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |