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US3003496A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for obtaining specimens of viable bronchial epithelial cells

Assignee: University of Kansas Center for Research Inc (KUCR)
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Filing: 1958-07-21
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Granted: 1961-10-10
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Expires: 1978-07-21
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Abstract

No abstract record available.

Inventors

  • 👤 Michael R Klein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:34
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B5/00; A61B5/08; A61B5/0823; A61B5/097

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2522108A Cited
US2774348A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-09 1965-04-10 1965-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-09 1969-04-10 1969-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-09 1973-04-10 1973-10-10 $7700.00 Window Closed / Lapsed

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