US2547827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid bed
Assignee: Individual
•
Filing: 1945-12-01
•
Granted: 1951-04-03
•
Expires: 1965-12-01
Abstract
No abstract record available.
Inventors
- 👤 Otis A Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:43
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/02; A61G7/002; A61G7/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US346246A
Cited
US541586A
Cited
US850744A
Cited
US934949A
Cited
US933323A
Cited
US974495A
Cited
GB191207871A
Cited
DE623931C
Cited
US2311542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |