US3506985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for lifting and turning a bed patient
Assignee: FREDERIC F LANG
•
Filing: 1968-07-15
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Granted: 1970-04-21
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Expires: 1988-07-15
Abstract
No abstract record available.
Inventors
- 👤 Frederic F Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:55
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1015; A61G7/1025; A61G7/1032; A61G7/104; A61G7/1046; A61G7/1049; A61G7/1051; A61G7/1055; A61G7/1063; A61G7/1067; A61G2200/00; A61G2200/30; A61G2200/32; A61G7/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |