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US3447393A Expired / Lapsed US ⏱️ 0.0 years remaining

Engine accessory drive shaft construction

Assignee: Continental Motors Corp
•
Filing: 1967-08-29
•
Granted: 1969-06-03
•
Expires: 1987-08-29
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Abstract

No abstract record available.

Inventors

  • 👤 William A Wiseman
  • 👤 Paul G Eberly

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 02:27
CPC Classifications
F; F02; F02B; F02B67/00; F02B67/04; F16; F16H; F16H37/00; F16H2700/00; F16H2700/02; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7026; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679; Y10T74/1987

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2678037A Cited
US2939440A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-06-02 1972-12-02 1973-06-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-06-02 1976-12-02 1977-06-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-06-02 1980-12-02 1981-06-03 $7700.00 Window Closed / Lapsed

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