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US3417551A Expired / Lapsed US ⏱️ 0.0 years remaining

Air filter

Assignee: Ford Motor Co
•
Filing: 1965-11-16
•
Granted: 1968-12-24
•
Expires: 1985-11-16
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur J Bonell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 14:49
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/52; B01D46/521; B01D46/24; B01D46/2403; B01D46/2411; F; F02; F02M; F02M35/00; F02M35/02; F02M35/022; F02M35/024; B01D2275/00; B01D2275/20; B01D2275/208; B01D2279/00; B01D2279/60

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CA566327A Cited
CA642873A Cited
US2279423A Cited
US2312999A Cited
FR1072079A Cited
GB799133A Cited
US2951553A Cited
US3006437A Cited
GB907236A Cited
US3209520A Cited
US3241680A Cited
FR1387618A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-12-24 1972-06-24 1972-12-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-12-24 1976-06-24 1976-12-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-12-24 1980-06-24 1980-12-24 $7700.00 Window Closed / Lapsed

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