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US3432091A Expired / Lapsed US ⏱️ 0.0 years remaining

Centrifugal fluid cleaners

Assignee: Federal Mogul Engineering Ltd
•
Filing: 1966-09-21
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Granted: 1969-03-11
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Expires: 1986-09-21
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Abstract

No abstract record available.

Inventors

  • 👤 Rodney Thomas Beazley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:54
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/005; F; F01; F01M; F01M1/00; F01M1/10; F01M2001/1028; F01M2001/1035

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2733855A Cited
US2750107A Cited
FR1089071A Cited
US2792172A Cited
US2755992A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-03-10 1972-09-09 1973-03-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-03-10 1976-09-09 1977-03-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-03-10 1980-09-09 1981-03-11 $7700.00 Window Closed / Lapsed

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