US4340080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflation valve
Assignee: Compagnie Generale des Etablissements Michelin SCA
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Filing: 1981-01-09
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Granted: 1982-07-20
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Expires: 2001-01-09
Abstract
Abstract An inflation valve comprising an outer stem and an inner movable unit is improved by the inner movable unit being confined axially within the tubule by means of a plurality of axially rigid and radially deformable elastic parts in order to permit the installing and removal thereof.
Inventors
- 👤 Jean Lefrancois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:12
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/3786; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7915; Y10T137/7919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
An inflation valve comprising an outer tubule with a conical valve seat and a single inner movable unit, which unit includes a valve proper, a rod and a retaining head and is confined axially within the tubule, the valve proper having a conical stop for engagement of the conical stop and the valve proper with the conical valve seat when the inflation valve is in final valve-closed position, said valve being characterized by the fact that the head of the inner movable unit has a plurality of axially rigid and radially deformable elastic tongues which are integral with said retaining head and which are oriented in a conical pattern coaxial with the valve and open toward the valve seat.
Claim 2
Dependent Claim
119 words
An inflation valve comprising an outer tubule with a conical valve seat and a single inner movable unit, which unit includes a valve proper, a rod and a retaining head and is confined axially within the tubule, the valve proper having a conical stop for engagement of the conical stop and the valve proper with the conical valve seat when the inflation valve is in final valve-closed position, said valve being characterized by the fact that the head of the inner movable unit has a plurality of axially rigid and radially deformable elastic tongues which are integral with said retaining head and which are oriented in a conical pattern coaxial with the valve and open toward the valve seat.
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) | 1985-07-19 | 1986-01-18 | 1986-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-19 | 1990-01-18 | 1990-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-19 | 1994-01-18 | 1994-07-20 | $7700.00 | Window Closed / Lapsed |