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US2921585A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for the treatment of skin diseases such as skin overgrowths, eruptions and the like or other skin disfigurements

Assignee: Individual
•
Filing: 1955-10-26
•
Granted: 1960-01-19
•
Expires: 1975-10-26
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Abstract

No abstract record available.

Inventors

  • 👤 Reinhold S Schumann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:40
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/54

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1915305A Cited
GB340377A Cited
US2389665A Cited
US2429356A Cited
US2712823A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-01-18 1963-07-20 1964-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-01-18 1967-07-20 1968-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-01-18 1971-07-20 1972-01-19 $7700.00 Window Closed / Lapsed

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