Patent DE-1902-145725

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Year filed
Year granted 1902
Office DE
Patent number 145725
Inventors Walter Lehmann
Inventor country DE
Applicant person
Applicant firm
Applicant type
Applicant is inventor? 1
Original title Luftballon mit Antriebsvorrichtung
English title Luftballon mit Antriebsvorrichtung
Tech fields
Filing date 1902-02-26
Full specification filed date
Application number
Grant date
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64B1/30
Family year 1902
First filing?
Cites these patents
Citations from after 1930
Application ID 9480669
INPADOC family ID
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources