US3014224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable mattress and supporting means therefor for use with hospital beds
Assignee: Nat Hospital Manufacturing & Distributin
•
Filing: 1958-06-27
•
Granted: 1961-12-26
•
Expires: 1978-06-27
Abstract
No abstract record available.
Inventors
- 👤 Hall Rex Credell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:11
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE288612C
Cited
DE186225C
Cited
US307717A
Cited
US759882A
Cited
US1700535A
Cited
GB452575A
Cited
US2295006A
Cited
US2644957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |