Patent FR-1909-403696

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Year filed 1909
Year granted 1909
Office FR
Patent number 403696
Inventors René Bertrand
Inventor country FR
Applicant person René Bertrand
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1909-06-05
Full specification filed date
Application number 403696D
Grant date 1909-11-11
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C2700/6295, CPC B64C39/00
Family year 1909
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19222951
INPADOC family ID 5300709
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources