Patent FR-1913-457940

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Year filed 1913
Year granted 1913
Office FR
Patent number 457940
Inventors Frederik Van Rossen Hoogendijk
Inventor country DE
Applicant person Frederik Van Rossen Hoogendijk
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Dispositif pour maintenir ouverte et pour fermer la manche de remplissage des ballons libres
English title Device to keep open and to close the filling handle of of free balloons
Tech fields LTA, Propulsion, fueling
Filing date 1913-05-15
Full specification filed date
Application number 457940D
Grant date 1913-09-29
Granted? 1
Publication date
Supplementary to patent 1913-01-23
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories FR 6.4
IPCs IPC B64B1/58
CPCs CPC B64B1/58
Family year 1913
First filing? 1
Cites these patents
Citations from after 1930
Application ID 19276001
INPADOC family ID 5344211
Number of text pages
Number of diagram pages
Number of figures
Number of claims