Patent US2605481A successfully refreshed from Google Patents.
US2605481A
Expired / Lapsed
US
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Patient operated invalid bed
Assignee: Individual
•
Filing: 1946-05-18
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Granted: 1952-08-05
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Expires: 1966-05-18
Abstract
No abstract record available.
Inventors
- 👤 Burkhart Archie Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:41
CPC Classifications
A; A47; A47C; A47C20/00; A47C20/04; A47C20/041; A47C20/08; A61; A61G; A61G7/00; A61G7/002; A61G7/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US990464A
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US1020223A
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US1055241A
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US1410090A
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US2141050A
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US2227430A
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US2344397A
Cited
US2279307A
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US2349701A
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US2336850A
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US2397092A
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US2426023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |