US2533008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial leg
Assignee: Individual
•
Filing: 1947-11-05
•
Granted: 1950-12-05
•
Expires: 1967-11-05
Abstract
No abstract record available.
Inventors
- 👤 Arnold B Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:54
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/60; A61F2/64; A61F2/68; A61F2/74; A61F2002/6818
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) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |