Patent US5532868A successfully refreshed from Google Patents.
Patent US3305223A successfully refreshed from Google Patents.
US3305223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor with improved choke valve control
Assignee: Briggs and Stratton Corp
•
Filing: 1965-09-30
•
Granted: 1967-02-21
•
Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph V Reichenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:11
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A CONTROL FOR THE CHOKE VALVE OF A CARBURETOR BY WHICH THE VALVE MAY BE MANUALLY OPENED AND CLOSED FROM A POINT REMOTE FROM THE CARBURETOR, SAID CONTROL COMPRISING: (A) A CONTROL MEMBER MOUNTED FOR BACK AND FORTH MOVEMENT BETWEEN DEFINED LIMITS ALONG A PATH FIXED WITH RESPECT TO AND ADJACENT TO THE CHOKE VALVE; (B) A FLEXIBLE DRIVING MEMBER CONNECTED TO THE CONTROL MEMBER AND BY WHICH SAID MEMBER MAY BE MOVED FROM A POINT REMOTE THEREFROM; (C) COOPERATING TRANSIENTLY ENGAGEABLE ABUTMENT MEANS FIXED WITH RESPECT TO THE CONTROL MEMBER AND THE CHOKE VALVE, PROVIDING A LOST MOTION DRIVING CONNECTION THROUGH WHICH MOVEMENT OF THE CONTROL MEMBER CAN IMPART MOVEMENT TO THE CHOKE VALVE FROM ONE POSITION THEREOF TOWARDS ITS OTHER POSITION WHILE LEAVING THE CHOKE VALVE FREE TO CONTINUE ITS MOTION TO SUCH OTHER POSITION WITHOUT HINDRANCE FROM THE CONTROL MEMBER; AND (D) OVERCENTER DRIVE MEANS INCLUDING A SPRING, SAID OVERCENTER DRIVE MEANS BEING CONNECTED WITH THE CHOKE VALVE TO YIELDINGLY HOLD THE SAME IN EITHER ITS OPEN OR CLOSED POSITION AND TO SNAP
Claim 2
Dependent Claim
176 words
A CONTROL FOR THE CHOKE VALVE OF A CARBURETOR BY WHICH THE VALVE MAY BE MANUALLY OPENED AND CLOSED FROM A POINT REMOTE FROM THE CARBURETOR, SAID CONTROL COMPRISING: (A) A CONTROL MEMBER MOUNTED FOR BACK AND FORTH MOVEMENT BETWEEN DEFINED LIMITS ALONG A PATH FIXED WITH RESPECT TO AND ADJACENT TO THE CHOKE VALVE; (B) A FLEXIBLE DRIVING MEMBER CONNECTED TO THE CONTROL MEMBER AND BY WHICH SAID MEMBER MAY BE MOVED FROM A POINT REMOTE THEREFROM; (C) COOPERATING TRANSIENTLY ENGAGEABLE ABUTMENT MEANS FIXED WITH RESPECT TO THE CONTROL MEMBER AND THE CHOKE VALVE, PROVIDING A LOST MOTION DRIVING CONNECTION THROUGH WHICH MOVEMENT OF THE CONTROL MEMBER CAN IMPART MOVEMENT TO THE CHOKE VALVE FROM ONE POSITION THEREOF TOWARDS ITS OTHER POSITION WHILE LEAVING THE CHOKE VALVE FREE TO CONTINUE ITS MOTION TO SUCH OTHER POSITION WITHOUT HINDRANCE FROM THE CONTROL MEMBER; AND (D) OVERCENTER DRIVE MEANS INCLUDING A SPRING, SAID OVERCENTER DRIVE MEANS BEING CONNECTED WITH THE CHOKE VALVE TO YIELDINGLY HOLD THE SAME IN EITHER ITS OPEN OR CLOSED POSITION AND TO SNAP
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |