Patent FR-1916-501550

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Parent patent dated 22 fev 1916. This is the 4th addition.

  • 68, avenue des Gobelins, Paris, 13th arrondissement

Patent family descending from Patent FR-1916-501550

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Year filed 1916
Year granted 1920
Office FR
Patent number 501550
Inventors Pierre Le Goaziou
Inventor country FR
Inventor location
Applicant person Pierre Le Goaziou
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Appareils pour découvrir l'approche et repérer la direction d'une source sonore sous-marine ou aérienne
English title Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source
Tech fields sensors
Filing date 1916-02-22
Full specification filed date
Application number
Grant date 1920-01-30
Granted? 1
Publication date 1920-04-16
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent None
Assigned to
National tech categories FR 12.2
IPCs IPC G01S1/72
CPCs CPC G01S1/72
Family year 1916
First filing? 0
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 7
Number of diagram pages 1
Number of figures 6
Number of claims 1