Patent FR-1919-493949

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Year filed 1918
Year granted 1919
Office FR
Patent number 493949
Inventors Edwiin Alliott Verdon Roe
Inventor country GB
Applicant person Alliott Verdon Roe
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1918-12-16
Full specification filed date
Application number 493949D
Grant date 1919-08-26
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories
CPCs CPC B64C13/00, CPC B64C2700/6256
Family year 1918
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19311125
INPADOC family ID 5374624
Number of text pages
Number of diagram pages
Number of figures
Number of claims