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US2227727A Expired / Lapsed US ⏱️ 0.0 years remaining

Lithotrite

Assignee: Individual
•
Filing: 1938-04-11
•
Granted: 1941-01-07
•
Expires: 1958-04-11
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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 16:16
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/320016; A61B17/32002; A61B17/22; A61B17/22004; A61B17/22012; A61B90/00; A61B90/30; A61B18/00; A61B2018/00982; A61B2217/00; A61B2217/002; A61B2217/005; A61B2217/007; A61B90/36; A61B90/361; A61M; A61M1/00; A61M1/71; A61M1/77; A61M1/772

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) 1944-01-07 1944-07-08 1945-01-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-01-07 1948-07-08 1949-01-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-01-07 1952-07-08 1953-01-07 $7700.00 Window Closed / Lapsed

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