Patent US3605145A successfully refreshed from Google Patents.
US3605145A
Expired / Lapsed
US
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Body support
Assignee: Individual
•
Filing: 1968-12-05
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Granted: 1971-09-20
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Expires: 1988-12-05
Abstract
Abstract A BODY SUPPORT INCLUDING A PLURALITY OF PLIANT OUTWARDLY EXTENDING AIR CELLS WHICH ARE IN COMMUNICATION WITH ONE ANOTHER THROUGH A BASE. WHEN LOADED THE AIR CELLS SUPPORT THE LOAD WITH SUBSTANTIALLY THE SAME FORCE PER UNIT AREA IRRESPECTIVE OF THE AMOUNT THEY ARE DEFLECTED.
Inventors
- 👤 Robert H Graebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:59
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/08; A47C27/081; A61; A61G; A61G7/00; A61G7/05; A61G7/057; A61G7/05769; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |