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US3057447A Expired / Lapsed US ⏱️ 0.0 years remaining

Electromagnetic synchronizers

Assignee: Renault SA
•
Filing: 1959-05-22
•
Granted: 1962-10-09
•
Expires: 1979-05-22
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Abstract

No abstract record available.

Inventors

  • 👤 Peras Lucien

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 02:48
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/02; F16D23/04; F16D23/06; F16D27/00; F16D27/12; F16D2023/0643; F16H; F16H63/00; F16H63/02; F16H63/30; F16H63/304; F16H2063/3046

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1049957A Cited
AT67013B Cited
US1756907A Cited
FR685198A Cited
FR37818E Cited
US2070140A Cited
US2338428A Cited
US2467987A Cited
US2554740A Cited
US2861665A Cited
US2940570A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-10-08 1966-04-09 1966-10-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-10-08 1970-04-09 1970-10-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-10-08 1974-04-09 1974-10-09 $7700.00 Window Closed / Lapsed

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