US2854673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sick bed apparatus
Assignee: Individual
•
Filing: 1954-09-30
•
Granted: 1958-10-07
•
Expires: 1974-09-30
Abstract
No abstract record available.
Inventors
- 👤 Ramsey De Witt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:24
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61G7/053; A61G7/10; A61G7/1013; A61G7/1019; A61G7/104; A61G7/1046; A61G7/1049; A61G7/1055; A61G2200/00; A61G2200/30; A61G2200/32; A61G2200/34; A61G5/00; A61G5/10; A61G5/1056; A61G5/1059
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |