Patent US2443905A successfully refreshed from Google Patents.
US2443905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitation hospitalization bed
Assignee: Individual
•
Filing: 1944-07-21
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Granted: 1948-06-22
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Expires: 1964-07-21
Abstract
No abstract record available.
Inventors
- 👤 Robert R Freund
- 👤 James M Royal
- 👤 Louis F Schoelkopf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:44
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US815481A
Cited
US912754A
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US1227399A
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US1224478A
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US1636705A
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US1918896A
Cited
US1945081A
Cited
US1869036A
Cited
US2206163A
Cited
US2202383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |