High-pressure apparatus
Abstract
Abstract A HIGH-PRESSURE APPARATUS, CONSISTING OF A HIGH-PRESSURE CHAMBER AND A CONTAINER WHICH CONTAINS THE HIGHPRESSURE CHAMBER, THE HIGH-PRESSURE CHAMBER BEING BOUNDED BY TWO PRESSURE GENERATING MEANS ACTING AGAINST EACH OTHER, AS WELL AS OF A BODY COMPOSED OF SEPARATE PARTS AND HAVING A SUBSTANTIALLY CONVEX OUTSIDE SURFACE, AND A CENTRAL CAVITY, THE SAID BODY SURROUNDING THE HIGHPRESSURE CHAMBER, CHARACTERISED IN THAT THE COMPOSITE BODY IS SURROUNDED BY AT LEAST TWO HOLLOW BODIES WHICH ARE INWARDLY BOUNDED BY A SURFACE THAT CONFORMS TO THE OUTSIDE SURFACE OF THE COMPOSITE BODY, AND THAT THE HOL- LOW BODIES ARE ADAPTED TO BE FILLED WITH A FLUID WHICH CAN BE BROUGHT UNDER PRESSURE.
Inventors
- 👤 Finn Lennart Jonsson
- 👤 Baltzar Carl Von Platen
Bibliographic Details
Claims Analysis
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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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |