US2620489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hospital bed adjusting mechanism
Assignee: Individual
•
Filing: 1946-07-13
•
Granted: 1952-12-09
•
Expires: 1966-07-13
Abstract
No abstract record available.
Inventors
- 👤 Luther E Holm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:37
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/015; Y; Y10; Y10T; Y10T74/00; Y10T74/15
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) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |