Patent FR-1912-439790

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Year filed 1912
Year granted 1912
Office FR
Patent number 439790
Inventors Andreas KIEFER
Inventor country DE
Inventor location
Applicant person ANDREAS KIEFER
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1912-01-30
Full specification filed date
Application number 439790D
Grant date 1912-06-22
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C39/008
Family year 1912
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19258266
INPADOC family ID 5329039
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources