US2809381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bed having means for lifting helpless occupant
Assignee: Individual
•
Filing: 1955-12-09
•
Granted: 1957-10-15
•
Expires: 1975-12-09
Abstract
No abstract record available.
Inventors
- 👤 Sr Louis Colaner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:06
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1017; A61G7/1025; A61G7/1034; A61G7/104; A61G7/1046; A61G7/1049; A61G7/1051; A61G2200/00; A61G2200/30; A61G2200/34; A61G7/1061; A61G7/1063; A61G7/1069; A61G7/1073; A61G7/1078
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US462458A
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GB190108678A
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US824846A
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US953962A
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US1135022A
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GB301958A
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US1878785A
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US2035116A
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US2466289A
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US2666212A
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US2747652A
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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) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |