US453285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial leg
Assignee: —
•
Filing: 1891-03-23
•
Granted: 1891-06-02
•
Expires: 1911-03-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:19
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/60; A61F2/64; A61F2/66; A61F2/6607; A61F2002/5072; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2102; Y10T24/2104; Y10T24/2106
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) | 1894-06-01 | 1894-12-01 | 1895-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-06-01 | 1898-12-01 | 1899-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-06-02 | 1902-12-02 | 1903-06-03 | $7700.00 | Window Closed / Lapsed |