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US2885188A Expired / Lapsed US ⏱️ 0.0 years remaining

Centrifuge apparatus

Assignee: Beckman Coulter Inc
•
Filing: 1956-03-14
•
Granted: 1959-05-05
•
Expires: 1976-03-14
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Abstract

No abstract record available.

Inventors

  • 👤 Edward G Pickels
  • 👤 William M Oates

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:22
CPC Classifications
B; B04; B04B; B04B15/00; B04B15/02; B04B15/06; B04B5/00; B04B5/04; B04B5/0407; B04B5/0414

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2205375A Cited
US2114029A Cited
US2504284A Cited
US2608344A Cited
US2648636A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-05-04 1962-11-03 1963-05-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-05-04 1966-11-03 1967-05-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-05-04 1970-11-03 1971-05-05 $7700.00 Window Closed / Lapsed

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