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US3050239A Expired / Lapsed US ⏱️ 0.0 years remaining

Centrifuge apparatus

Assignee: Beckman Coulter Inc
•
Filing: 1959-11-20
•
Granted: 1962-08-21
•
Expires: 1979-11-20
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Fred G Williams

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:16
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/502; B01L3/5021; B01L3/54; B01L3/545; B01L3/5453; B04; B04B; B04B5/00; B04B5/04; B04B5/0407; B04B5/0414; B04B5/0421; B04B9/00; B04B9/10; G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; G01N21/07; B04B7/00; B04B7/02; B04B2007/025; G01N35/00; G01N35/02; G01N35/04; G01N2035/0401; G01N2035/0429; G01N2035/0436; Y; Y10; Y10S; Y10S215/00; Y10S215/90

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US330779A Cited
US330780A Cited
US486390A Cited
US998529A Cited
US1839944A Cited
US2110308A Cited
US2560988A Cited
US2604261A Cited
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US2720711A Cited
US2854189A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-08-20 1966-02-19 1966-08-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-08-20 1970-02-19 1970-08-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-08-20 1974-02-19 1974-08-21 $7700.00 Window Closed / Lapsed

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