Patent FR1542889A successfully refreshed from Google Patents.
US2061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-lancet
Assignee: —
•
Filing: —
•
Granted: 1841-04-24
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Expires: 1858-04-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:39
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150374; A61B5/150381; A61B5/150503; A61B5/150015; A61B5/15003; A61B5/150442
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) | 1844-04-23 | 1844-10-23 | 1845-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1848-04-23 | 1848-10-23 | 1849-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1852-04-23 | 1852-10-23 | 1853-04-24 | $7700.00 | Window Closed / Lapsed |