US3211348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vessels
Assignee: GREE HYDRAULICS OF CALIFORNIA Inc
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Filing: 1964-05-21
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Granted: 1965-10-12
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Expires: 1984-05-21
Abstract
No abstract record available.
Inventors
- 👤 Edward M Greer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:57
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/10; F15B1/12; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3152; F15B2201/3156; F15B2201/40; F15B2201/415; F15B2201/4155; F15B2201/43; F15B2201/435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A PRESSURE VESSEL COMPRISING AN ELONGATED CONTAINER OF RIGID MATERIAL HAVING TWO PORTS, ONE OF SAID PARTS BEING AXIALLY ALIGNED WITH SAID CONTAINER AND DEFINING THE LIQUID PORT, A DEFORMABLE BLADDER SECUREC IN SAID CONTAINER SEPARATING SAID TWO PORTS FROM EACH OTHER, SAID BLADDER EXTTENDING AXIALLY IN SAID CONTAINER AND BEING CLOSED AT ONE END, MEANS SECURING THE OTHER END OF THE BLADDER IN SAID CONTAINER, THE END OF SAID CONTAINER ADJACENT SAID LIQUID PORT HAVING AN INCLINED WALL SURFACE IN THE FORM OF A FRUSTUM OF A CONE WITH ITS SMALLER DIAMETER END DEFINING THE INNER END OF THE LIQUID PORT, A BUTTON SECURED TO THE CLOSED END OF SAID BLADDER, SAID BUTTON HAVING AN INCLINED OUTER SURFACE ALSO IN THE SHAPE
Claim 2
Dependent Claim
123 words
A PRESSURE VESSEL COMPRISING AN ELONGATED CONTAINER OF RIGID MATERIAL HAVING TWO PORTS, ONE OF SAID PARTS BEING AXIALLY ALIGNED WITH SAID CONTAINER AND DEFINING THE LIQUID PORT, A DEFORMABLE BLADDER SECUREC IN SAID CONTAINER SEPARATING SAID TWO PORTS FROM EACH OTHER, SAID BLADDER EXTTENDING AXIALLY IN SAID CONTAINER AND BEING CLOSED AT ONE END, MEANS SECURING THE OTHER END OF THE BLADDER IN SAID CONTAINER, THE END OF SAID CONTAINER ADJACENT SAID LIQUID PORT HAVING AN INCLINED WALL SURFACE IN THE FORM OF A FRUSTUM OF A CONE WITH ITS SMALLER DIAMETER END DEFINING THE INNER END OF THE LIQUID PORT, A BUTTON SECURED TO THE CLOSED END OF SAID BLADDER, SAID BUTTON HAVING AN INCLINED OUTER SURFACE ALSO IN THE SHAPE
References Cited (Backward Citations)
US2604118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |