US2803836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid proof sheet for hospital beds
Assignee: Individual
•
Filing: 1956-04-25
•
Granted: 1957-08-27
•
Expires: 1976-04-25
Abstract
No abstract record available.
Inventors
- 👤 Gladys B Hunsicker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:00
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/48; A61F5/485; A61F13/00; A61F13/15; A61F13/53; A61F13/534; A61F13/537; A61F13/51; A61F13/514; A61F13/51474; A61F2013/51486; A61F2013/51492; Y; Y10; Y10S; Y10S5/00; Y10S5/924
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) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |