Patent US3157170A successfully refreshed from Google Patents.
US3157170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetors
Assignee: Standard Products Co
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Filing: 1962-04-13
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Granted: 1964-11-17
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Expires: 1982-04-13
Abstract
No abstract record available.
Inventors
- 👤 James S Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:03
CPC Classifications
F; F02; F02M; F02M3/00; F02M3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A CARBURETOR ASSEMBLY HAVING A BODY PROVIDED WITH A CARBURETING BARREL FOR CONNECTION TO THE INTAKE OF AN INTERNAL COMBUSTION ENGINE AND TO WHICH ARE DIRECTED PRIMARY VALVE MEANS IN SAID BARREL ACTUATABLE BETWEEN IDLE AND ACCELERATING POSITIONS FOR REGULATING THE FLOW OF CARBURETED FUEL TO SAID ENGINE INTAKE, MEANS DEFINING A CARBURETING CHAMBER BETWEEN SAID PRIMARY VALVE MEANS AND SAID ENGINE INTAKE, MEANS FOR SUPPLYING A SECONDARY SOURCE OF FUEL AND AIR TO SAID CHAMBER, SENSING MEANS CONNECTED BETWEEN SAID SECONDARY VALVE MEANS AND SAID ENGINE INTAKE BEING RESPONSIVE TO A CHANGE IN THE VACUUM CONDITIONS IN THE LATTER UPON INITIATING THE DECELERATION OF SAID ENGINE BY RETURNING SAID PRIMARY VALVE MEANS TO IDLE POSITION EFFECTIVE TO ACTUATE SAID SECONDARY VALVE MEANS TO AN OFF POSITION SO AS TO DISCONNECT SAID SECONDARY FUEL SOURCE FROM SAID CHAMBER.
Claim 2
Dependent Claim
139 words
IN A CARBURETOR ASSEMBLY HAVING A BODY PROVIDED WITH A CARBURETING BARREL FOR CONNECTION TO THE INTAKE OF AN INTERNAL COMBUSTION ENGINE AND TO WHICH ARE DIRECTED PRIMARY VALVE MEANS IN SAID BARREL ACTUATABLE BETWEEN IDLE AND ACCELERATING POSITIONS FOR REGULATING THE FLOW OF CARBURETED FUEL TO SAID ENGINE INTAKE, MEANS DEFINING A CARBURETING CHAMBER BETWEEN SAID PRIMARY VALVE MEANS AND SAID ENGINE INTAKE, MEANS FOR SUPPLYING A SECONDARY SOURCE OF FUEL AND AIR TO SAID CHAMBER, SENSING MEANS CONNECTED BETWEEN SAID SECONDARY VALVE MEANS AND SAID ENGINE INTAKE BEING RESPONSIVE TO A CHANGE IN THE VACUUM CONDITIONS IN THE LATTER UPON INITIATING THE DECELERATION OF SAID ENGINE BY RETURNING SAID PRIMARY VALVE MEANS TO IDLE POSITION EFFECTIVE TO ACTUATE SAID SECONDARY VALVE MEANS TO AN OFF POSITION SO AS TO DISCONNECT SAID SECONDARY FUEL SOURCE FROM SAID CHAMBER.
References Cited (Backward Citations)
US2689116A
Cited
US2816745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |