US2663030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid lift and transfer device
Assignee: J R Andersson & Co A B
•
Filing: 1949-04-25
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Granted: 1953-12-22
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Expires: 1969-04-25
Abstract
No abstract record available.
Inventors
- 👤 Dahlberg Bengt Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:55
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1049; A61G7/1057; A61G7/1013; A61G7/1019; A61G7/1025; A61G7/1036; A61G7/104; A61G7/1046
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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |