US3568226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid lifting device
Assignee: Individual
•
Filing: 1968-10-16
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Granted: 1971-03-09
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Expires: 1988-10-16
Abstract
Abstract A LIFTING DEVICE FOR INVALIDS HAS A PAIR OF PIVOTALLY INTERCONNECTED INVALID-SUPPORTING FRAMES. EACH OF THE FRAMES HAS A GENERALLY HORIZONTAL SECTION ADAPTED TO SUPPORT THE ARMS OF AN INVALID AND A SUPPORTING MEMBER, THE MEMBERS BEING DISPOSED TO UNDERLIE AND SUPPORT THE SHOULDERS SO THAT THE WEIGHT OF THE INVALID IS CARRIED BY THE FRAMES THROUGH THE SUPPORTING MEMBERS.
Inventors
- 👤 James E Mater
- 👤 Leon L Parker
- 👤 Paul D Gernhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:21
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1017; A61G7/104; A61G7/1046; A61G7/1073; A61G7/1082; A61G7/1092; A61G7/1094; A61G2200/00; A61G2200/30; A61G2200/32; A61G2200/34; A61G2200/36; A61G2200/50; A61G2200/52
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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |