Fluidic appliance for alternately filling and emptying an enclosure
Abstract
Abstract AN APPLIANCE, CHIEFLY A RESPIRATOR ADAPTED TO EXERT AN ALTERNATING PRESSURE AND SUCTION, FOR INSTANCE IN A PATIENT''S LUNGS, OF THE TYPE INCLUDING A NOZZLE PROJECTING A JET WHICH IS PERIODICALLY DEFLECTED BETWEEN AN EXHAUST PIPE AND AN UTILISATION CHAMBER LEADING TO THE PATIENT''S LUNGS OR ANY OTHER SUITABLE CAPACITY. THE RHYTHM OF SAID DEFLECTION IS CAUSED TO SUIT A PRDETERMINED RHYTHM SUCH AS THAT OF THE PATIENT''S LUNGS, TO THE END, AN AUXILIARY DEFORMABLE CAPACITY IS CONNECTED WITH A DUCT OPENING INTO THE OUTPUT OF THE NOZZLE IN REGISTERY WITH ANOTHER DUCT LEADING TO THE ATMOSPHERE. IT IS POSSIBLE TO CONTROL THE APPLIANCE BY A SIMILAR PILOT APPLIANCE CONNECTED WITH THE AUXILIARY DEFORMABLE CHAMBER.
Inventors
- 👤 Cyrille Francois Pavlin
- 👤 Edouard Maurice Eugene Ai Mace
- 👤 Marcel Kadosch
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |