Patent FR-1844-9805

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Year filed 1843
Year granted 1844
Office FR
Patent number 9805
Inventors Jacques-Antoine-Fortuné Durand de Monestrol
Inventor country FR
Applicant person
Applicant firm
Applicant type
Applicant is inventor? 1
Original title machine à plonger dite plongeur à ballons sous-marins
English title machine for submarine balloon plunging
Tech fields marine navigation
Filing date 1843-03-11
Full specification filed date
Application number
Grant date 1841-05-10
Granted? 1
Publication date 1844-10-09
Supplementary to patent
Related to aircraft? No
Serial number
Patent agent
Assigned to
National tech categories FR 6.3
IPCs
CPCs
Family year 1841
First filing?
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources

  • INPI INPI database seems to have a flaw re dates. Could they have been reversed by INPI typists?
  • Inventor location: Paris (4, rue de l'Oratoire-du-Louvre, Seine)