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US3465525A Expired / Lapsed US ⏱️ 0.0 years remaining

Gas turbine bypass engines

Assignee: Rolls Royce PLC
•
Filing: 1967-03-10
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Granted: 1969-09-09
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Expires: 1987-03-10
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Abstract

No abstract record available.

Inventors

  • 👤 Sidney Ian Cowley
  • 👤 Geoffrey Light Wilde
  • 👤 Alfred John Honey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 09:09
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/16; F23R3/18; F23R3/24; F23R3/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2729937A Cited
US2672727A Cited
US2771743A Cited
US2883828A Cited
US3046731A Cited
US2978865A Cited
US3100627A Cited
US2993338A Cited
US3162011A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-08 1973-03-10 1973-09-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-08 1977-03-10 1977-09-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-08 1981-03-10 1981-09-09 $7700.00 Window Closed / Lapsed

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