Patent HU-1901-21993

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Year filed 1901
Year granted 1901
Office HU
Patent number 21993
Inventors Heinrich Hildebrand
Inventor country DE
Inventor location
Applicant person Heinrich Hildebrand
Applicant firm
Applicant type INDIV
Applicant is inventor? yes
Original title Repülőgép
English title Flying Machine, airship
Tech fields LTA, airship, balloons
Filing date 1901-02-23
Full specification filed date
Application number
Grant date 1901-07-20
Granted? Yes
Publication date 1901-08-03
Supplementary to patent Patent GB-1901-1899
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories HU V/h
IPCs
CPCs
Family year 1901
First filing?
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 3
Number of diagram pages 1
Number of figures 9
Number of claims 3