Body support cushioning system
Abstract
Abstract A CUSHIONING FOR UNIFORMLY IDSTRIBUTING SUPPORT OF AN INVALID COMPRISING A LIQUID CONTAINER OF FLEXIBLE SHEET MATERIAL IMPERVIOUS TO THE FLUID, AND MEANS TO ELEVATE SIDE PORTIONS OF THE CONTAINER TO FORM A LOOSE UPPER SURFACE WHICH CAN CONFORM TO THE SUPPORTED BODY PORTIONS OF THE INVALID. THE CUSHIONING PORTION OF THE LIQUID CONTAINER COMMUNICATES WITH A RESERVOIR WHICH CAN BE RAISED AND LOWERED TO FILL AND DRAIN THE CUSHION AND CAN BE ELEVATED SUFFICIENTLY TO DEVELOP A HYDROSTATIC HEAD BALANCING THE PRESSURE REQUIRED TO SUPPORT THE INVALID WHERE THE INVALID IS TO BE SUPPORTED WITH PRESSURES GREATER THAN THOSE IMPOSED ON A BODY FLOATING ON A FREE SURFACE. THE PAD CAN BE APPLIED TO WHEEL CHAIRS BY PROVIDING A RESERVOIR EXTENDING UP THE BACK OF THE CHAIR.
Inventors
- 👤 Max Gottfried
- 👤 Dennis G Mosiniak
- 👤 Ansis V Tenteris
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) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |