US2984843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Patient bed and transfer stretcher
Assignee: American Hospital Supply Corp
•
Filing: 1957-10-23
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Granted: 1961-05-23
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Expires: 1977-10-23
Abstract
No abstract record available.
Inventors
- 👤 Axel E F Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:27
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1019; A61G7/1017; A61G7/104; A61G7/1046; A61G7/1049; A61G7/1057; B; B63; B63C; B63C13/00; A61G2200/00; A61G2200/30; A61G2200/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191102477A
Cited
US1383545A
Cited
DE333691C
Cited
US1472484A
Cited
US1644043A
Cited
US2234483A
Cited
US2208410A
Cited
US2542963A
Cited
US2610330A
Cited
US2672620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |