Patent FR-1911-421783

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Year filed 1909
Year granted 1911
Office FR
Patent number 421783
Inventors Hippolyte Lepape
Inventor country FR
Applicant person Hippolyte Lepape
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Perfectionnements apportés aux appareils de navigation aérienne et, plus particulièrement, à ceux de ces appareils appartenant au genre ornithoptère
English title Improvements to air navigation equipment particularly ornithopters
Tech fields aerial navigation, ornithopter
Filing date 1909-12-29
Full specification filed date
Application number 421783D
Grant date 1911-01-04
Granted? 1
Publication date 1911-03-04
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent Weismann et Marx
Assigned to
National tech categories FR 6.4
IPCs IPC B64C33/00
CPCs CPC B64C33/00
Family year 1909
First filing? 1
Cites these patents
Citations from after 1930
Application ID 19240647
INPADOC family ID 5314018
Number of text pages 3
Number of diagram pages 1
Number of figures 5
Number of claims 1