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US2787403A Expired / Lapsed US ⏱️ 0.0 years remaining

Pumping apparatus

Assignee: FMC Corp
•
Filing: 1953-09-01
•
Granted: 1957-04-02
•
Expires: 1973-09-01
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Abstract

No abstract record available.

Inventors

  • 👤 James P Carr
  • 👤 Clifford J Griffith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:26
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/0089; F; F04; F04B; F04B17/00; F04B17/06; F04B19/00; F04B19/02; F04B19/027; F04B53/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US69250A Cited
US316631A Cited
US1088608A Cited
US1724553A Cited
US1751323A Cited
US1787751A Cited
US1960389A Cited
US2187684A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-04-01 1960-10-01 1961-04-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-04-01 1964-10-01 1965-04-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-04-01 1968-10-01 1969-04-02 $7700.00 Window Closed / Lapsed

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