Patent US3148702A successfully refreshed from Google Patents.
US3148702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure valve for the outlet port of a pressure vessel
Assignee: Individual
•
Filing: 1961-06-27
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Granted: 1964-09-15
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Expires: 1981-06-27
Abstract
No abstract record available.
Inventors
- 👤 Mercier Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:47
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/10; F15B1/18; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3152; F15B2201/40; F15B2201/41; F15B2201/411; F15B2201/413; F15B2201/415; F15B2201/4155; F15B2201/43; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928; Y10T137/86936; Y10T137/86944; Y10T137/86976; Y10T137/87265; Y10T137/87378; Y10T137/87394
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
VALVE MEANS FOR CONTROLLING THE FLOW OF FLUID FROM THE OUTLET PORT OF A PRESSURE VESSEL OF THE TYPE HAVING A RIGID CONTAINER WITH AN OUTLET PORT AND A DEFORMABLE PARTITION INTERVENTING BETWEEN THE INLET AND OUTLET PORT OF SAID PRESSURE VESSEL, SAID VALVE MEANS COMPRISING A TUBULAR MEMBER ADAPTED TO BE POSITIONED IN SUCH OUTLET PORT, WITH ITS INNER END IN SUCH CONTAINER, THE INNER END OF SAID MEMBER DEFINING A VALVE SEAT, SAID TUBULAR MEMBER HAVING A CENTRAL BORE AND A PASSAGEWAY EXTENDING SUBSTANTIALLY PARALLEL TO SAID CENTRAL BORE, SAID PASSAGEWAY HAVING AN OUTLET, A VALVE STEM SLIDABLY MOUNTED IN SAID CENTRAL BORE, SAID STEM HAVING A VALVE HEAD AT ITS INNER END, RESILIENT MEANS REACTING AGAINST SAID STEM NORMALLY RETAINING SAID VALVE HEAD ON SAID SEAT, SAID STEM AND SAID VALVE HEAD HAVING AN AXIAL BORE THERETHROUGH, A TRANSVERSE BORE LEADING INTO SAID AXIAL BORE IN SAID STEM, AND IN COMMUNICATION AT ITS OTHER END WITH SAID PASSAGEWAY,
Claim 2
Dependent Claim
161 words
VALVE MEANS FOR CONTROLLING THE FLOW OF FLUID FROM THE OUTLET PORT OF A PRESSURE VESSEL OF THE TYPE HAVING A RIGID CONTAINER WITH AN OUTLET PORT AND A DEFORMABLE PARTITION INTERVENTING BETWEEN THE INLET AND OUTLET PORT OF SAID PRESSURE VESSEL, SAID VALVE MEANS COMPRISING A TUBULAR MEMBER ADAPTED TO BE POSITIONED IN SUCH OUTLET PORT, WITH ITS INNER END IN SUCH CONTAINER, THE INNER END OF SAID MEMBER DEFINING A VALVE SEAT, SAID TUBULAR MEMBER HAVING A CENTRAL BORE AND A PASSAGEWAY EXTENDING SUBSTANTIALLY PARALLEL TO SAID CENTRAL BORE, SAID PASSAGEWAY HAVING AN OUTLET, A VALVE STEM SLIDABLY MOUNTED IN SAID CENTRAL BORE, SAID STEM HAVING A VALVE HEAD AT ITS INNER END, RESILIENT MEANS REACTING AGAINST SAID STEM NORMALLY RETAINING SAID VALVE HEAD ON SAID SEAT, SAID STEM AND SAID VALVE HEAD HAVING AN AXIAL BORE THERETHROUGH, A TRANSVERSE BORE LEADING INTO SAID AXIAL BORE IN SAID STEM, AND IN COMMUNICATION AT ITS OTHER END WITH SAID PASSAGEWAY,
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |