Patent FR-1920-516627

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  • Tech class CPC B63H1/16: Propellers having a shrouding ring attached to blades
  • Inventor location: U.S.

Patent family descending from Patent US-1916-08-16-Lee

Sources


Year filed 1920
Year granted 1920
Office FR
Patent number 516627
Inventors Charles Mylo Lee
Inventor country US
Applicant person Charles Mylo Lee
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Perfectionnements aux hélices de propulsion et de ventilation
English title Improvements to propellers for propulsion and ventilation
Tech fields propellers
Filing date 1920-06-07
Full specification filed date
Application number
Grant date 1920-12-08
Granted? 1
Publication date 1921-04-21
Supplementary to patent Patent US-1916-08-16-Lee
Related to aircraft? 1
Serial number
Patent agent Brandon freres
Assigned to
National tech categories FR 6.2
IPCs IPC B63H1/16
CPCs CPC B63H1/16
Family year 1908
First filing? 0
Cites these patents
Citations from after 1930 1
Application ID
INPADOC family ID
Number of text pages 3
Number of diagram pages 1
Number of figures 8
Number of claims 2