US598452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial leg
Assignee: —
•
Filing: —
•
Granted: 1898-02-01
•
Expires: 1915-02-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:37
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/78; A61F2/80; A61F2/7812; A61F2/7843; A61F2/60; A61F2/64; A61F2002/7862
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1901-02-01 | 1901-08-03 | 1902-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1905-02-01 | 1905-08-03 | 1906-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1909-02-01 | 1909-08-03 | 1910-02-02 | $7700.00 | Window Closed / Lapsed |