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US2634424A
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US
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Artificial leg
Assignee: Individual
•
Filing: 1951-09-12
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Granted: 1953-04-14
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Expires: 1971-09-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas C O'gorman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:31
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/78; A61F2/7812; A61F2/7843; A61F2/80
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) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |