US2633578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable hospital bed
Assignee: National Manuf Corp
•
Filing: 1946-06-03
•
Granted: 1953-04-07
•
Expires: 1966-06-03
Abstract
No abstract record available.
Inventors
- 👤 Deves Anthony
- 👤 Solomon B Raduns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:23
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US850744A
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US947383A
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US1272626A
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US1908530A
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US1828980A
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US2308592A
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US2337284A
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US2349701A
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US2379080A
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US2407892A
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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) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |