Patent GB-1910-17844

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Year filed
Year granted 1910
Office GB
Patent number 17844
Inventors Geoffrey de Havilland
Inventor country
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Adjustable Propellers or Screws specially suitable for Aerial Craft
English title
Tech fields Propulsion
Filing date 1910-07-27
Full specification filed date
Application number 191017844D
Grant date 1910-10-20
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories
IPCs IPC B64C11/04
CPCs CPC B64C11/04
Family year 1910
First filing? 1
Cites these patents
Citations from after 1930
Application ID 23603008
INPADOC family ID 11095409
Number of text pages 2
Number of diagram pages 1
Number of figures
Number of claims 1