Patent US3209785A successfully refreshed from Google Patents.
US3209785A
Expired / Lapsed
US
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Pressure vessels
Assignee: MERCIER ACCUMULATOR Corp A CORP OF
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Filing: 1964-05-19
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Granted: 1965-10-05
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Expires: 1984-05-19
Abstract
No abstract record available.
Inventors
- 👤 Mercier Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:58
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/10; F15B1/16; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3152; F15B2201/3156; F15B2201/40; F15B2201/41; F15B2201/415
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PRESSURE VESSEL COMPRISING A RIGID CONTAINER HAVING A DEFORMABLE PARTITION THEREIN DEFINING TWO CHAMBERS FOR FLUID, EACH HAVING A FLUID PASSAGEWAY LEADING THEREINTO, A FLEXIBLE CLOSELY WOUND COIL SPRING DEFINING A GUIDE MEMBER FOR SAID PARTITION IN ONE OF SAID CHAMBERS, SAID GUIDE MEMBER EXTENDING AXIALLY OF SAID CONTAINER AND SECURED WITH RESPECT THERETO AT BOTH ENDS, SAID CLOSELY WOUND COIL SPRING HAVING ADJACENT CONVOLUTIONS SUBSTANTIALLY IN ENGAGEMENT AND BEING ENCOMPASSED BY SAID PARTITION, SAID PARTITION COMPRISING AN ELONGATED SLEEVE SECURED AT BOTH ENDS WITH RESPECT TO SAID CONTAINER, SAID COIL SPRING HAVING A SUBSTANTIALLY CONTINUOUS SURFACE WITH RESPECT TO SAID PARTITION TO RESTRAIN EXTRUSION THERETHROUGH OF SAID PARTITION, SAID SURFACE PERMITTING PASSAGE THERETHROUGH OF THE FLUID FLOWING THROUGH ONE OF SAID FLUID PASSAGEWAYS.
Claim 2
Dependent Claim
125 words
A PRESSURE VESSEL COMPRISING A RIGID CONTAINER HAVING A DEFORMABLE PARTITION THEREIN DEFINING TWO CHAMBERS FOR FLUID, EACH HAVING A FLUID PASSAGEWAY LEADING THEREINTO, A FLEXIBLE CLOSELY WOUND COIL SPRING DEFINING A GUIDE MEMBER FOR SAID PARTITION IN ONE OF SAID CHAMBERS, SAID GUIDE MEMBER EXTENDING AXIALLY OF SAID CONTAINER AND SECURED WITH RESPECT THERETO AT BOTH ENDS, SAID CLOSELY WOUND COIL SPRING HAVING ADJACENT CONVOLUTIONS SUBSTANTIALLY IN ENGAGEMENT AND BEING ENCOMPASSED BY SAID PARTITION, SAID PARTITION COMPRISING AN ELONGATED SLEEVE SECURED AT BOTH ENDS WITH RESPECT TO SAID CONTAINER, SAID COIL SPRING HAVING A SUBSTANTIALLY CONTINUOUS SURFACE WITH RESPECT TO SAID PARTITION TO RESTRAIN EXTRUSION THERETHROUGH OF SAID PARTITION, SAID SURFACE PERMITTING PASSAGE THERETHROUGH OF THE FLUID FLOWING THROUGH ONE OF SAID FLUID PASSAGEWAYS.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |