US3176704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor throttle valve
Assignee: Universal Oil Products Co
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Filing: 1961-11-20
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Granted: 1965-04-06
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Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 Palma Ted V De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:22
CPC Classifications
F; F02; F02D; F02D9/00; F02D9/08; F02D9/10; F02D9/1005; F02D9/101; F02D9/1015; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4252
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A CARBURETOR THROTTLE VALVE ASSEMBLY COMPRISING A CASING HAVING A FLUID INLET OPENING AND A FLUID OUTLET OPENING AT OPPOSITE ENDS THEREOF, A MOVABLE FLOW-OBSTRUCTING MEMBER MOUNTED WITH IN SAID CASING AND COOPERABLE WITH THE WALL OF SAID CASING TO VARY THE FLOW THERETHROUGH, AND A FLUID-DEFLECTING MEANS COMPRISING A RAISED RIDGE ADJACENT TO AND SET BACK A SHORT DISTANCE FROM THE OUTER EDGE OF SAID FLOW-OBSTRUCTING MEMBER, THE INNER SURFACE OF SAID RIDGE BEING GRADUALLY INCLINED TOWARD THE CENTRAL PORTION OF SAID MEMBER AND THE OUTER SURFACE OF THE RIDGE BEING INCLINED MORE ABRUPTLY TOWARD THE PLANE OF SAID MEMBER WHEREBY TO DEFLECT IMPINGING FLUID, WHEN SAID FLOW-OBSTRUCTING MEMBER IS IN A POSITION INTERMEDIATE ITS FULLY CLOSED AND FULLY OPENED POSITIONS, AGAINST THAT REGION OF THE INTERIOR SURFACE OF THE CASING WHICH IS ADJACENT SAID FLOW-OBSTRUCTING MEMBER WHEN THE LATTER IS IN ITS FULLY CLOSED POSITION.
Claim 2
Dependent Claim
147 words
A CARBURETOR THROTTLE VALVE ASSEMBLY COMPRISING A CASING HAVING A FLUID INLET OPENING AND A FLUID OUTLET OPENING AT OPPOSITE ENDS THEREOF, A MOVABLE FLOW-OBSTRUCTING MEMBER MOUNTED WITH IN SAID CASING AND COOPERABLE WITH THE WALL OF SAID CASING TO VARY THE FLOW THERETHROUGH, AND A FLUID-DEFLECTING MEANS COMPRISING A RAISED RIDGE ADJACENT TO AND SET BACK A SHORT DISTANCE FROM THE OUTER EDGE OF SAID FLOW-OBSTRUCTING MEMBER, THE INNER SURFACE OF SAID RIDGE BEING GRADUALLY INCLINED TOWARD THE CENTRAL PORTION OF SAID MEMBER AND THE OUTER SURFACE OF THE RIDGE BEING INCLINED MORE ABRUPTLY TOWARD THE PLANE OF SAID MEMBER WHEREBY TO DEFLECT IMPINGING FLUID, WHEN SAID FLOW-OBSTRUCTING MEMBER IS IN A POSITION INTERMEDIATE ITS FULLY CLOSED AND FULLY OPENED POSITIONS, AGAINST THAT REGION OF THE INTERIOR SURFACE OF THE CASING WHICH IS ADJACENT SAID FLOW-OBSTRUCTING MEMBER WHEN THE LATTER IS IN ITS FULLY CLOSED POSITION.
References Cited (Backward Citations)
US1885331A
Cited
FR757130A
Cited
US2095263A
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US2278421A
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US2322195A
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US2436319A
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FR1233654A
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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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |