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US3481542A Expired / Lapsed US ⏱️ 0.0 years remaining

Safety device for electromagnetic fuel-injection spray nozzles for internal combustion engines

Assignee: Societe des Procedes Modernes dInjection SOPROMI
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Filing: 1968-02-23
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Granted: 1969-12-02
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Expires: 1988-02-23
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Abstract

No abstract record available.

Inventors

  • 👤 Robert Huber

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 20:19
CPC Classifications
F; F02; F02M; F02M47/00; F02M47/02; F02M47/027; F02M63/00; F02M63/02; F02M63/0205; F02M63/0215; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7761

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2798769A Cited
US2852308A Cited
US3004720A Cited
US2985378A Cited
US3180084A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-12-01 1973-06-02 1973-12-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-12-01 1977-06-02 1977-12-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-12-01 1981-06-02 1981-12-02 $7700.00 Window Closed / Lapsed

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