Patent FR-1857-30970

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  • Brevet d'invention de 15 ans
  • Inventor location: Paris (37, rue Quincampoix, Seine)
  • Inventor occupation: glassworks merchant

Sources


Year filed 1857
Year granted
Office FR
Patent number 30970
Inventors Lagneau
Inventor country FR
Applicant person
Applicant firm
Applicant type
Applicant is inventor? No
Original title gazomètre propre à gonfler les aérostats
English title "Balloons, inflating" Gasometer/gas-holder-tank proper to the inflation of aerostat balloons
Tech fields LTA, Aerostat, Inflation
Filing date February 17, 1857
Full specification filed date
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Granted? yes
Publication date
Supplementary to patent
Related to aircraft? Yes
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National tech categories FR 12
IPCs
CPCs
Family year
First filing? Yes
Cites these patents
Citations from after 1930
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