Patent FR-1908-389173

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Year filed 1908
Year granted 1908
Office FR
Patent number 389173
Inventors Wilhelm Michalk
Inventor country DE
Applicant person Wilhelm Michalk
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1908-04-13
Full specification filed date
Application number 389173D
Grant date 1908-09-02
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C2700/6274, CPC B64C23/005
Family year 1908
First filing? 1
Cites these patents
Citations from after 1930
Application ID 19208755
INPADOC family ID 5288633
Number of text pages
Number of diagram pages
Number of figures
Number of claims