Patent FR-1898-271948.2

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  • BOPI (1898, tome 18) {{esp|FR|271948 espacenet]
  • Inventor location: rue de l'Assomption, 68, Paris

Year filed
Year granted 1898
Office FR
Patent number 271948.2
Inventors Clément Ader
Inventor country FR
Applicant person
Applicant firm
Applicant type
Applicant is inventor? No
Original title cert d'addition au brevet pris, le 6 novembre 1897, pour un ballon dirigeable
English title cert of addition to the patent taken, 6 November 1897, for a dirigible
Tech fields LTA, balloons, dirigibles
Filing date
Full specification filed date
Application number
Grant date June 21, 1898
Granted? Yes
Publication date
Supplementary to patent Patent FR-1897-271948
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories FR 6.3
Family year 1898
First filing? No
Cites these patents
Citations from after 1930
Application ID
Number of text pages
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Number of figures
Number of claims