US2397092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power control for articulated beds
Assignee: DR ROBERT R FREUND
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Filing: 1942-08-07
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Granted: 1946-03-26
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Expires: 1962-08-07
Abstract
No abstract record available.
Inventors
- 👤 Drexler Charles
- 👤 Ralph H Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:27
CPC Classifications
A; A47; A47C; A47C20/00; A47C20/04; A47C20/041; A61; A61G; A61G7/00; A61G7/002; A61G7/015; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437
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) | 1949-03-25 | 1949-09-24 | 1950-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-03-25 | 1953-09-24 | 1954-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-03-25 | 1957-09-24 | 1958-03-26 | $7700.00 | Window Closed / Lapsed |