US2477400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid's bed
Assignee: BEEM FOUNDATION
•
Filing: 1945-10-15
•
Granted: 1949-07-26
•
Expires: 1965-10-15
Abstract
No abstract record available.
Inventors
- 👤 Marvel D Beem
- 👤 Allan J Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:08
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US347024A
Cited
US811492A
Cited
US1397773A
Cited
US1373151A
Cited
US1564596A
Cited
US1973699A
Cited
US2026153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |