US2448924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bed rest
Assignee: Individual
•
Filing: 1945-05-30
•
Granted: 1948-09-07
•
Expires: 1965-05-30
Abstract
No abstract record available.
Inventors
- 👤 Warren R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:32
CPC Classifications
A; A47; A47C; A47C20/00; A47C20/02; A47C20/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US340334A
Cited
US1314857A
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GB189503494A
Cited
US815190A
Cited
US885388A
Cited
US975906A
Cited
US1250086A
Cited
US1274277A
Cited
US1302155A
Cited
US1452915A
Cited
US2105336A
Cited
US2257848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-07 | 1952-03-08 | 1952-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-07 | 1956-03-08 | 1956-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-07 | 1960-03-08 | 1960-09-07 | $7700.00 | Window Closed / Lapsed |