Patent US3827089A successfully refreshed from Google Patents.
US3827089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turnover bed assembly
Assignee: Individual
•
Filing: 1971-09-16
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Granted: 1974-08-06
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Expires: 1991-09-16
Abstract
Abstract A TURNOVER BED ASSEMBLY, HAVING TWO PARALLEL BUT RELATIVELY MOVABLE MATTRESSES MOVABLY SUPPORTED ON A ROTATIONALLY MOVABLE CARRIER FRAME, AN INVALID WHO IS LYING ON THE LOWER MATTRESS, AND WHO WISHES TO CHANGE PORTION FROM FACE-DOWN TO FACE-UP TO THE OTHER POSITION, IS STRAPPED TO THAT MATTRESS, THEN THE ASSEMBLY IS ROTATED A QUARTER-REVOLUTION, AND HIS MATTRESS IS SUPPORTED FOR MOVEMENT TOWARDS THE OTHER MATTRESS. THEN A SUCCEEDING QUARTER-TURN POSITIONS HIM IN HIS DESIRED POSITION-CHANGED POSITION ON THE OTHER MATTRESS. D R A W I N G
Inventors
- 👤 W Grow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:11
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/001
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) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |