Patent US2540133A successfully refreshed from Google Patents.
US2540133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable hospital bed
Assignee: Individual
•
Filing: 1947-07-03
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Granted: 1951-02-06
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Expires: 1967-07-03
Abstract
No abstract record available.
Inventors
- 👤 Roy G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:58
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1261424A
Cited
US1590296A
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US2216348A
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US2168649A
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US2243013A
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US2263784A
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US2339075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |