Patent FR-1911-422218

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Parent patents: Patent DE-1909-11-06 and its addition Patent DE-1910-07-13

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Year filed 1910
Year granted 1911
Office FR
Patent number 422218
Inventors Ludwig Sommer
Inventor country DE
Applicant person Ludwig Sommer
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Appareil d'aviation
English title Aerial apparatus
Tech fields ornithopter, flapping
Filing date November 5, 1910
Full specification filed date
Application number 422218D
Grant date January 13, 1911
Granted? Yes
Publication date March 16, 1911
Supplementary to patent Patent DE-1909-11-06, Patent DE-1910-07-13
Related to aircraft? Yes
Serial number
Patent agent E.-S. Becker
Assigned to
National tech categories FR 6.4
IPCs IPC B64C39/00
CPCs CPC B64C39/003
Family year 1910
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 19241072
INPADOC family ID 5314392
Number of text pages 4
Number of diagram pages 1
Number of figures 16
Number of claims 2