Patent FR-1912-445931

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Year filed 1912
Year granted 1912
Office FR
Patent number 445931
Inventors Isaac Bell
Inventor country GB, Ireland
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Perfectionnements aux machines pour vol aérien
English title
Tech fields flapping
Filing date May 17, 1912
Full specification filed date
Application number 445931D
Grant date November 22, 1912
Granted? Yes
Publication date
Supplementary to patent Patent GB-1911-12188
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C39/005
Family year 1912
First filing? No
Cites these patents
Citations from after 1930
Application ID 19264285
INPADOC family ID 5334147
Number of text pages
Number of diagram pages
Number of figures
Number of claims