Patent FR-1880-132944

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Year filed
Year granted 1880
Office FR
Patent number 132944
Inventors Clément Ader
Inventor country
Applicant person
Applicant firm
Applicant type
Applicant is inventor? 1
Original title Système d'avertisseur téléphonique sans pile, à signal visible (addition to 132944)
English title system of coinless telephone, with visible signal
Tech fields telephones
Filing date
Full specification filed date
Application number
Grant date 1880-01-15
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? No
Serial number
Patent agent
Assigned to
National tech categories
Family year 1880
First filing?
Cites these patents
Citations from after 1930
Application ID
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  • Cdbi1880, p41, d.XXVII {{esp|FR|132944 espacenet] he later makes aircraft
  • Inventor location: