US2656876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hospital bed convertible to chair
Assignee: Individual
•
Filing: 1950-08-03
•
Granted: 1953-10-27
•
Expires: 1970-08-03
Abstract
No abstract record available.
Inventors
- 👤 Carlos M Larrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:02
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/16; Y; Y10; Y10S; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |