Patent FR-1909-404844

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This patent has only exceedingly slight presence on Espacenet. It has been given IPC and CPC classification, which comport well with aviation and aeronautics. It is a parent parent which has otherwise been found by the patent number and filing date references made to it on its additions.


Patent family descending from Patent FR-1909-404844

Year filed 1909
Year granted
Office FR
Patent number 404844
Inventors Jean-Ferdinand-Nicolas-Émile Berrubé
Inventor country FR
Applicant person Jean-Ferdinand-Nicolas-Émile Berrubé
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title ballon dirigeable
English title Dirigible
Tech fields LTA
Filing date 1909-07-07
Full specification filed date
Application number
Grant date
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories FR 6.4
IPCs IPC B64B1/00
CPCs CPC B64B1/00
Family year 1909
First filing? No
Cites these patents
Citations from after 1930
Application ID 18720849
INPADOC family ID 5197631
Number of text pages
Number of diagram pages
Number of figures
Number of claims