US2747652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for moving invalids and the like
Assignee: ROBERT M MORRELL
•
Filing: 1952-12-29
•
Granted: 1956-05-29
•
Expires: 1972-12-29
Abstract
No abstract record available.
Inventors
- 👤 George E Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:44
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1017; A61G7/104; A61G7/1046; A61G7/1049; A61G7/1059; A61G7/1073; A61G7/1082; A61G7/1098
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US832517A
Cited
US1349674A
Cited
US2442303A
Cited
US2488767A
Cited
US2565536A
Cited
US2527818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |