US3257035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve assemblies for fitment to containers
Assignee: Crown Packaging UK Ltd
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Filing: 1964-08-24
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Granted: 1966-06-21
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Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Jones Gerald Dovaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:01
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/48; A; A62; A62C; A62C13/00; A62C13/62; A62C13/64; B65D83/16; B65D83/162; B65D83/38; B65D83/382
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A VALVE ASSEMBLY FOR FITMENT TO A CONTAINER FROM WHICH LIQUID IS TO BE EJECTED BY INTERNAL PRESSURE, SAID ASSEMBLY COMPRISING A VALVE HOUSING INCLUDING A TUBULAR PORTION EXTENDING FROM THE BOTTOM THEREOF AND HAVING AN AXIAL BORE WHICH EXTENDS THEREFROM INTO THE HOUSING, RIBS LOCATED IN THE REGION OF SAID BOTTOM AND SPACED APART AROUND THE INTERIOR OF THE HOUSING, A GASKET SEALING THE END OF THE HOUSING OPPOSITE SAID BOTTOM, A STEM EXTENDING THROUGH SAID GASKET INTO THE HOUSING, SAID STEM BEING SLIDABLE AXIALLY THROUGH THE GASKET AND PROVIDED WITH A LONGITUDINAL PASSAGE WHICH EXTENDS TO THE OUTER END OF THE STEM AND WITH AN OPENING WHICH EXTENDS THROUGH THE SIDE OF THE STEM AT THE INNER END THEREOF, A SLEEVE FRICTIONALLY ENGAGED AROUND THE STEM, AND A SHOULDER ON SAID STEM TO DETERMINE THE EXTENT OF MOVEMENT OF THE STEM
Claim 2
Dependent Claim
143 words
A VALVE ASSEMBLY FOR FITMENT TO A CONTAINER FROM WHICH LIQUID IS TO BE EJECTED BY INTERNAL PRESSURE, SAID ASSEMBLY COMPRISING A VALVE HOUSING INCLUDING A TUBULAR PORTION EXTENDING FROM THE BOTTOM THEREOF AND HAVING AN AXIAL BORE WHICH EXTENDS THEREFROM INTO THE HOUSING, RIBS LOCATED IN THE REGION OF SAID BOTTOM AND SPACED APART AROUND THE INTERIOR OF THE HOUSING, A GASKET SEALING THE END OF THE HOUSING OPPOSITE SAID BOTTOM, A STEM EXTENDING THROUGH SAID GASKET INTO THE HOUSING, SAID STEM BEING SLIDABLE AXIALLY THROUGH THE GASKET AND PROVIDED WITH A LONGITUDINAL PASSAGE WHICH EXTENDS TO THE OUTER END OF THE STEM AND WITH AN OPENING WHICH EXTENDS THROUGH THE SIDE OF THE STEM AT THE INNER END THEREOF, A SLEEVE FRICTIONALLY ENGAGED AROUND THE STEM, AND A SHOULDER ON SAID STEM TO DETERMINE THE EXTENT OF MOVEMENT OF THE STEM
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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |