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US3045603A Expired / Lapsed US ⏱️ 0.0 years remaining

Self-priming centrifugal pump

Assignee: BARNES Manufacturing CO
•
Filing: 1959-10-26
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Granted: 1962-07-24
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Expires: 1979-10-26
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Abstract

No abstract record available.

Inventors

  • 👤 Richard E Hunter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 20:29
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/004; F04D9/005; F04D9/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

BE524236A Cited
US2461925A Cited
US2627817A Cited
GB691362A Cited
US2755743A Cited
US2945448A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-07-23 1966-01-22 1966-07-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-07-23 1970-01-22 1970-07-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-07-23 1974-01-22 1974-07-24 $7700.00 Window Closed / Lapsed

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