Patent US2160443A successfully refreshed from Google Patents.
US2160443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bed covering support
Assignee: Individual
•
Filing: 1938-04-18
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Granted: 1939-05-30
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Expires: 1958-04-18
Abstract
No abstract record available.
Inventors
- 👤 Clemence M Schadell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:49
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61G7/0501; A47; A47C; A47C21/00; A47C21/02; A47C21/022; A47C21/024; A47C21/04; A47C21/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-05-29 | 1942-11-28 | 1943-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-29 | 1946-11-28 | 1947-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-29 | 1950-11-28 | 1951-05-30 | $7700.00 | Window Closed / Lapsed |