US3605791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve assembly for and method of fitting pressurized spraying containers
Assignee: Rhone Poulenc SA
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Filing: 1969-04-21
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Granted: 1971-09-20
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Expires: 1989-04-21
Abstract
Abstract THE SPECIFICATION DESCRIBES A VALVE ASSEMBLY FOR A PRESSURIZED SPRAYING CONTAINER. THE BODY OF THE VALVE IS PROVIDED WITH AN EXTERNAL TUBULAR EXTENSION OR SLEEVE IN WHICH IS TEMPORARILY LOCATED THE VALVE MEMBER. THE SLEEVE IS USED TO GUIDE FLUID UNDER PRESSURE INTO THE CONTAINER AND MAY ALSO BE USED DURING THE BLOW MOULDING OF THE CONTAINER WHEN THE CONTAINER IS FILLED, THE VALVE MEMBER IS FORCED THROUGH THE SLEEVE INTO ENGAGEMENT WITH ITS VALVE SEAT, WHERE IT IS RETAINED BY AN ALREADY POSITIONED SPRING AND THE SLEEVE IS DETACHED.
Inventors
- 👤 Yves Le Troadec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:31
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/42; B29; B29C; B29C49/00; B29C49/02; B29C49/04; B29C49/20; B65D83/425; B29C2049/2008; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6116
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |