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US55620A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in spring-lancets

Assignee: —
•
Filing: —
•
Granted: 1866-06-19
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Expires: 1883-06-19
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:50
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/151; A61B5/15142; A61B5/150007; A61B5/150015; A61B5/150022; A61B5/150374; A61B5/150381; A61B5/150442; A61B5/15101; A61B5/15103; A61B5/15107; A61B5/15113; A61B5/15115; A61B5/15117

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1869-06-18 1869-12-18 1870-06-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1873-06-18 1873-12-18 1874-06-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1877-06-18 1877-12-18 1878-06-19 $7700.00 Window Closed / Lapsed

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