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US2070281A Expired / Lapsed US ⏱️ 0.0 years remaining

Surgical knife

Assignee: Individual
•
Filing: 1935-07-12
•
Granted: 1937-02-09
•
Expires: 1955-07-12
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Abstract

No abstract record available.

Inventors

  • 👤 Leggiadro Vincent

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 21:00
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/16; A61B17/1604; A61B17/1613; A61B17/1622; A61B17/1624; A61B17/32; A61B17/320016; A61B17/32002; A61B17/1662; A61B17/1675; A61B2017/320052; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T74/1836; Y10T74/18376

Claims Analysis

Total Claims: 0
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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) 1940-02-09 1940-08-10 1941-02-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1944-02-09 1944-08-10 1945-02-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1948-02-09 1948-08-10 1949-02-09 $7700.00 Window Closed / Lapsed

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